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Finding the Fourth Proportional to 63,045.48, 87,006.81 and 34,753.80

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Solution

The fourth proportional to 63,045.48, 87,006.81 and 34,753.80 is: 47,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,045.48 : 87,006.81 = 34,753.80 : x
  2. Step 2: Convert to fraction form
    63,045.48/87,006.81 = 34,753.80/x
  3. Step 3: Cross multiply
    63,045.48x = 87,006.81 × 34,753.80
  4. Step 4: Simplify right side
    63,045.48x = 3,023,817,273.38
  5. Step 5: Solve for x
    x = 3,023,817,273.38/63,045.48
  6. Step 6: Final answer
    x = 47,962.48

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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.