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Finding the Fourth Proportional to 41.17, 61.76 and 29.25

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Solution

The fourth proportional to 41.17, 61.76 and 29.25 is: 43.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.17 : 61.76 = 29.25 : x
  2. Step 2: Convert to fraction form
    41.17/61.76 = 29.25/x
  3. Step 3: Cross multiply
    41.17x = 61.76 × 29.25
  4. Step 4: Simplify right side
    41.17x = 1,806.48
  5. Step 5: Solve for x
    x = 1,806.48/41.17
  6. Step 6: Final answer
    x = 43.88

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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.