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Finding the Fourth Proportional to 63,899.67, 95,776.78 and 38,884.65

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Solution

The fourth proportional to 63,899.67, 95,776.78 and 38,884.65 is: 58,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,899.67 : 95,776.78 = 38,884.65 : x
  2. Step 2: Convert to fraction form
    63,899.67/95,776.78 = 38,884.65/x
  3. Step 3: Cross multiply
    63,899.67x = 95,776.78 × 38,884.65
  4. Step 4: Simplify right side
    63,899.67x = 3,724,246,568.43
  5. Step 5: Solve for x
    x = 3,724,246,568.43/63,899.67
  6. Step 6: Final answer
    x = 58,282.72

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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.