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Finding the Fourth Proportional to 71,397.52, 98,526.90 and 41,182.90

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Solution

The fourth proportional to 71,397.52, 98,526.90 and 41,182.90 is: 56,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,397.52 : 98,526.90 = 41,182.90 : x
  2. Step 2: Convert to fraction form
    71,397.52/98,526.90 = 41,182.90/x
  3. Step 3: Cross multiply
    71,397.52x = 98,526.90 × 41,182.90
  4. Step 4: Simplify right side
    71,397.52x = 4,057,623,470.01
  5. Step 5: Solve for x
    x = 4,057,623,470.01/71,397.52
  6. Step 6: Final answer
    x = 56,831.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.