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Finding the Fourth Proportional to 63,981.74, 88,294.90 and 35,689.24

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Solution

The fourth proportional to 63,981.74, 88,294.90 and 35,689.24 is: 49,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,981.74 : 88,294.90 = 35,689.24 : x
  2. Step 2: Convert to fraction form
    63,981.74/88,294.90 = 35,689.24/x
  3. Step 3: Cross multiply
    63,981.74x = 88,294.90 × 35,689.24
  4. Step 4: Simplify right side
    63,981.74x = 3,151,177,876.88
  5. Step 5: Solve for x
    x = 3,151,177,876.88/63,981.74
  6. Step 6: Final answer
    x = 49,251.21

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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.