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Finding the Fourth Proportional to 63,363.95, 87,446.31 and 36,505.97

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Solution

The fourth proportional to 63,363.95, 87,446.31 and 36,505.97 is: 50,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,363.95 : 87,446.31 = 36,505.97 : x
  2. Step 2: Convert to fraction form
    63,363.95/87,446.31 = 36,505.97/x
  3. Step 3: Cross multiply
    63,363.95x = 87,446.31 × 36,505.97
  4. Step 4: Simplify right side
    63,363.95x = 3,192,312,369.47
  5. Step 5: Solve for x
    x = 3,192,312,369.47/63,363.95
  6. Step 6: Final answer
    x = 50,380.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.