Are you saying that the last line is the ratios they gave as part of finding the answer? Either they were printed incorrectly, or you misinterpreted what it said. The ratios are found by simply dividing the first number by the second; it should look like this:

2010 
2009 
2008 
2007 
2006 
Avg Sales Price 
62709 
60296 
63188 
51607 
51602 
Production cost 
14500 
15800 
13600 
11400 
13750 
ratio 
4.3:1 
3.8:1 
4.6:1 
4.5:1 
3.8:1 
When you want to compare ratios, you don't want them as simplified ratios like 4:3, but as decimals (here written as "something:1"). They did that, rounding to the nearest tenth. The answer to the question is the one with the largest number, namely 2008.
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