Finding the Fourth Proportional to 7,382,327.70, 11,073,491.55 and 7,063,463.10
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Solution
The fourth proportional to 7,382,327.70, 11,073,491.55 and 7,063,463.10 is: 10,595,194.65
Step by Step Solution
- Step 1: Write the proportion equation
7,382,327.70 : 11,073,491.55 = 7,063,463.10 : x - Step 2: Convert to fraction form
7,382,327.70/11,073,491.55 = 7,063,463.10/x - Step 3: Cross multiply
7,382,327.70x = 11,073,491.55 × 7,063,463.10 - Step 4: Simplify right side
7,382,327.70x = 78,217,198,951,586.81 - Step 5: Solve for x
x = 78,217,198,951,586.81/7,382,327.70 - Step 6: Final answer
x = 10,595,194.65
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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.