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Finding the Fourth Proportional to 63,861.57, 95,792.36 and 19,488.56

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Solution

The fourth proportional to 63,861.57, 95,792.36 and 19,488.56 is: 29,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,861.57 : 95,792.36 = 19,488.56 : x
  2. Step 2: Convert to fraction form
    63,861.57/95,792.36 = 19,488.56/x
  3. Step 3: Cross multiply
    63,861.57x = 95,792.36 × 19,488.56
  4. Step 4: Simplify right side
    63,861.57x = 1,866,854,579.00
  5. Step 5: Solve for x
    x = 1,866,854,579.00/63,861.57
  6. Step 6: Final answer
    x = 29,232.83

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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.