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Finding the Fourth Proportional to 61,616.74, 92,425.11 and 14,869.61

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Solution

The fourth proportional to 61,616.74, 92,425.11 and 14,869.61 is: 22,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,616.74 : 92,425.11 = 14,869.61 : x
  2. Step 2: Convert to fraction form
    61,616.74/92,425.11 = 14,869.61/x
  3. Step 3: Cross multiply
    61,616.74x = 92,425.11 × 14,869.61
  4. Step 4: Simplify right side
    61,616.74x = 1,374,325,339.91
  5. Step 5: Solve for x
    x = 1,374,325,339.91/61,616.74
  6. Step 6: Final answer
    x = 22,304.42

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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.