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Finding the Fourth Proportional to 41.66, 62.50 and 14.61

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Solution

The fourth proportional to 41.66, 62.50 and 14.61 is: 21.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.66 : 62.50 = 14.61 : x
  2. Step 2: Convert to fraction form
    41.66/62.50 = 14.61/x
  3. Step 3: Cross multiply
    41.66x = 62.50 × 14.61
  4. Step 4: Simplify right side
    41.66x = 913.13
  5. Step 5: Solve for x
    x = 913.13/41.66
  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.