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Finding the Fourth Proportional to 41.42, 62.02 and 29.24

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Solution

The fourth proportional to 41.42, 62.02 and 29.24 is: 43.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.42 : 62.02 = 29.24 : x
  2. Step 2: Convert to fraction form
    41.42/62.02 = 29.24/x
  3. Step 3: Cross multiply
    41.42x = 62.02 × 29.24
  4. Step 4: Simplify right side
    41.42x = 1,813.46
  5. Step 5: Solve for x
    x = 1,813.46/41.42
  6. Step 6: Final answer
    x = 43.78

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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.