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Finding the Fourth Proportional to 41.67, 62.51 and 14.61

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Solution

The fourth proportional to 41.67, 62.51 and 14.61 is: 21.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.67 : 62.51 = 14.61 : x
  2. Step 2: Convert to fraction form
    41.67/62.51 = 14.61/x
  3. Step 3: Cross multiply
    41.67x = 62.51 × 14.61
  4. Step 4: Simplify right side
    41.67x = 913.49
  5. Step 5: Solve for x
    x = 913.49/41.67
  6. Step 6: Final answer
    x = 21.92

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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.