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Finding the Fourth Proportional to 60,032.80, 89,876.40 and 36,704.80

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Solution

The fourth proportional to 60,032.80, 89,876.40 and 36,704.80 is: 54,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,032.80 : 89,876.40 = 36,704.80 : x
  2. Step 2: Convert to fraction form
    60,032.80/89,876.40 = 36,704.80/x
  3. Step 3: Cross multiply
    60,032.80x = 89,876.40 × 36,704.80
  4. Step 4: Simplify right side
    60,032.80x = 3,298,895,286.72
  5. Step 5: Solve for x
    x = 3,298,895,286.72/60,032.80
  6. Step 6: Final answer
    x = 54,951.55

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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.