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Finding the Fourth Proportional to 63,432.62, 95,157.11 and 21,294.60

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Solution

The fourth proportional to 63,432.62, 95,157.11 and 21,294.60 is: 31,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,432.62 : 95,157.11 = 21,294.60 : x
  2. Step 2: Convert to fraction form
    63,432.62/95,157.11 = 21,294.60/x
  3. Step 3: Cross multiply
    63,432.62x = 95,157.11 × 21,294.60
  4. Step 4: Simplify right side
    63,432.62x = 2,026,332,291.00
  5. Step 5: Solve for x
    x = 2,026,332,291.00/63,432.62
  6. Step 6: Final answer
    x = 31,944.64

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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.