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Finding the Fourth Proportional to 41.13, 61.61 and 24.84

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Solution

The fourth proportional to 41.13, 61.61 and 24.84 is: 37.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.13 : 61.61 = 24.84 : x
  2. Step 2: Convert to fraction form
    41.13/61.61 = 24.84/x
  3. Step 3: Cross multiply
    41.13x = 61.61 × 24.84
  4. Step 4: Simplify right side
    41.13x = 1,530.39
  5. Step 5: Solve for x
    x = 1,530.39/41.13
  6. Step 6: Final answer
    x = 37.21

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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.