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Finding the Fourth Proportional to 63,947.60, 95,791.80 and 36,213.20

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Solution

The fourth proportional to 63,947.60, 95,791.80 and 36,213.20 is: 54,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,947.60 : 95,791.80 = 36,213.20 : x
  2. Step 2: Convert to fraction form
    63,947.60/95,791.80 = 36,213.20/x
  3. Step 3: Cross multiply
    63,947.60x = 95,791.80 × 36,213.20
  4. Step 4: Simplify right side
    63,947.60x = 3,468,927,611.76
  5. Step 5: Solve for x
    x = 3,468,927,611.76/63,947.60
  6. Step 6: Final answer
    x = 54,246.41

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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.