Finding the Fourth Proportional to 7,244,512.70, 10,866,769.05 and 2,195,167.10
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Solution
The fourth proportional to 7,244,512.70, 10,866,769.05 and 2,195,167.10 is: 3,292,750.65
Step by Step Solution
- Step 1: Write the proportion equation
7,244,512.70 : 10,866,769.05 = 2,195,167.10 : x - Step 2: Convert to fraction form
7,244,512.70/10,866,769.05 = 2,195,167.10/x - Step 3: Cross multiply
7,244,512.70x = 10,866,769.05 × 2,195,167.10 - Step 4: Simplify right side
7,244,512.70x = 23,854,373,901,858.26 - Step 5: Solve for x
x = 23,854,373,901,858.26/7,244,512.70 - Step 6: Final answer
x = 3,292,750.65
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.