Finding the Fourth Proportional to 83,732.97, 125,617.95 and 27,590.40
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Solution
The fourth proportional to 83,732.97, 125,617.95 and 27,590.40 is: 41,391.69
Step by Step Solution
- Step 1: Write the proportion equation
83,732.97 : 125,617.95 = 27,590.40 : x - Step 2: Convert to fraction form
83,732.97/125,617.95 = 27,590.40/x - Step 3: Cross multiply
83,732.97x = 125,617.95 × 27,590.40 - Step 4: Simplify right side
83,732.97x = 3,465,849,487.68 - Step 5: Solve for x
x = 3,465,849,487.68/83,732.97 - Step 6: Final answer
x = 41,391.69
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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.