Finding the Fourth Proportional to 7,397,350.80, 11,096,026.20 and 2,610,445.20
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Solution
The fourth proportional to 7,397,350.80, 11,096,026.20 and 2,610,445.20 is: 3,915,667.80
Step by Step Solution
- Step 1: Write the proportion equation
7,397,350.80 : 11,096,026.20 = 2,610,445.20 : x - Step 2: Convert to fraction form
7,397,350.80/11,096,026.20 = 2,610,445.20/x - Step 3: Cross multiply
7,397,350.80x = 11,096,026.20 × 2,610,445.20 - Step 4: Simplify right side
7,397,350.80x = 28,965,568,332,864.24 - Step 5: Solve for x
x = 28,965,568,332,864.24/7,397,350.80 - Step 6: Final answer
x = 3,915,667.80
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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.