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Finding the Fourth Proportional to 63,660.98, 87,854.60 and 34,981.85

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Solution

The fourth proportional to 63,660.98, 87,854.60 and 34,981.85 is: 48,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,660.98 : 87,854.60 = 34,981.85 : x
  2. Step 2: Convert to fraction form
    63,660.98/87,854.60 = 34,981.85/x
  3. Step 3: Cross multiply
    63,660.98x = 87,854.60 × 34,981.85
  4. Step 4: Simplify right side
    63,660.98x = 3,073,316,439.01
  5. Step 5: Solve for x
    x = 3,073,316,439.01/63,660.98
  6. Step 6: Final answer
    x = 48,276.30

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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.