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Finding the Fourth Proportional to 63,673, 87,876.84 and 38,522.68

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Solution

The fourth proportional to 63,673, 87,876.84 and 38,522.68 is: 53,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673 : 87,876.84 = 38,522.68 : x
  2. Step 2: Convert to fraction form
    63,673/87,876.84 = 38,522.68/x
  3. Step 3: Cross multiply
    63,673x = 87,876.84 × 38,522.68
  4. Step 4: Simplify right side
    63,673x = 3,385,251,386.73
  5. Step 5: Solve for x
    x = 3,385,251,386.73/63,673
  6. Step 6: Final answer
    x = 53,166.20

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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.