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Finding the Fourth Proportional to 63,961.60, 95,812.80 and 36,227.20

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Solution

The fourth proportional to 63,961.60, 95,812.80 and 36,227.20 is: 54,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,961.60 : 95,812.80 = 36,227.20 : x
  2. Step 2: Convert to fraction form
    63,961.60/95,812.80 = 36,227.20/x
  3. Step 3: Cross multiply
    63,961.60x = 95,812.80 × 36,227.20
  4. Step 4: Simplify right side
    63,961.60x = 3,471,029,468.16
  5. Step 5: Solve for x
    x = 3,471,029,468.16/63,961.60
  6. Step 6: Final answer
    x = 54,267.40

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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.