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Finding the Fourth Proportional to 63,930.10, 95,895.15 and 17,187.70

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Solution

The fourth proportional to 63,930.10, 95,895.15 and 17,187.70 is: 25,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.10 : 95,895.15 = 17,187.70 : x
  2. Step 2: Convert to fraction form
    63,930.10/95,895.15 = 17,187.70/x
  3. Step 3: Cross multiply
    63,930.10x = 95,895.15 × 17,187.70
  4. Step 4: Simplify right side
    63,930.10x = 1,648,217,069.66
  5. Step 5: Solve for x
    x = 1,648,217,069.66/63,930.10
  6. Step 6: Final answer
    x = 25,781.55

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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.