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Finding the Fourth Proportional to 62,972.52, 94,436.52 and 18,587.40

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Solution

The fourth proportional to 62,972.52, 94,436.52 and 18,587.40 is: 27,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,972.52 : 94,436.52 = 18,587.40 : x
  2. Step 2: Convert to fraction form
    62,972.52/94,436.52 = 18,587.40/x
  3. Step 3: Cross multiply
    62,972.52x = 94,436.52 × 18,587.40
  4. Step 4: Simplify right side
    62,972.52x = 1,755,329,371.85
  5. Step 5: Solve for x
    x = 1,755,329,371.85/62,972.52
  6. Step 6: Final answer
    x = 27,874.53

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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.