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Finding the Fourth Proportional to 63,937.70, 95,906.55 and 52,127.90

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Solution

The fourth proportional to 63,937.70, 95,906.55 and 52,127.90 is: 78,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,937.70 : 95,906.55 = 52,127.90 : x
  2. Step 2: Convert to fraction form
    63,937.70/95,906.55 = 52,127.90/x
  3. Step 3: Cross multiply
    63,937.70x = 95,906.55 × 52,127.90
  4. Step 4: Simplify right side
    63,937.70x = 4,999,407,047.75
  5. Step 5: Solve for x
    x = 4,999,407,047.75/63,937.70
  6. Step 6: Final answer
    x = 78,191.85

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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.