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Finding the Fourth Proportional to 71,761.98, 98,906.25 and 52,601.13

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Solution

The fourth proportional to 71,761.98, 98,906.25 and 52,601.13 is: 72,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,761.98 : 98,906.25 = 52,601.13 : x
  2. Step 2: Convert to fraction form
    71,761.98/98,906.25 = 52,601.13/x
  3. Step 3: Cross multiply
    71,761.98x = 98,906.25 × 52,601.13
  4. Step 4: Simplify right side
    71,761.98x = 5,202,580,514.06
  5. Step 5: Solve for x
    x = 5,202,580,514.06/71,761.98
  6. Step 6: Final answer
    x = 72,497.73

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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.