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Finding the Fourth Proportional to 24,520.54, 36,748.52 and 9,721.39

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Solution

The fourth proportional to 24,520.54, 36,748.52 and 9,721.39 is: 14,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,520.54 : 36,748.52 = 9,721.39 : x
  2. Step 2: Convert to fraction form
    24,520.54/36,748.52 = 9,721.39/x
  3. Step 3: Cross multiply
    24,520.54x = 36,748.52 × 9,721.39
  4. Step 4: Simplify right side
    24,520.54x = 357,246,694.84
  5. Step 5: Solve for x
    x = 357,246,694.84/24,520.54
  6. Step 6: Final answer
    x = 14,569.28

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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.