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Finding the Fourth Proportional to 63,876.79, 95,899.97 and 54,576.57

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Solution

The fourth proportional to 63,876.79, 95,899.97 and 54,576.57 is: 81,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.79 : 95,899.97 = 54,576.57 : x
  2. Step 2: Convert to fraction form
    63,876.79/95,899.97 = 54,576.57/x
  3. Step 3: Cross multiply
    63,876.79x = 95,899.97 × 54,576.57
  4. Step 4: Simplify right side
    63,876.79x = 5,233,891,425.70
  5. Step 5: Solve for x
    x = 5,233,891,425.70/63,876.79
  6. Step 6: Final answer
    x = 81,937.30

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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.