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Finding the Fourth Proportional to 41.16, 61.68 and 24.88

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Solution

The fourth proportional to 41.16, 61.68 and 24.88 is: 37.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.16 : 61.68 = 24.88 : x
  2. Step 2: Convert to fraction form
    41.16/61.68 = 24.88/x
  3. Step 3: Cross multiply
    41.16x = 61.68 × 24.88
  4. Step 4: Simplify right side
    41.16x = 1,534.60
  5. Step 5: Solve for x
    x = 1,534.60/41.16
  6. Step 6: Final answer
    x = 37.28

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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.