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Finding the Fourth Proportional to 24,671, 34,046.79 and 13,493

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Solution

The fourth proportional to 24,671, 34,046.79 and 13,493 is: 18,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,671 : 34,046.79 = 13,493 : x
  2. Step 2: Convert to fraction form
    24,671/34,046.79 = 13,493/x
  3. Step 3: Cross multiply
    24,671x = 34,046.79 × 13,493
  4. Step 4: Simplify right side
    24,671x = 459,393,337.47
  5. Step 5: Solve for x
    x = 459,393,337.47/24,671
  6. Step 6: Final answer
    x = 18,620.78

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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.