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Finding the Fourth Proportional to 41.49, 62.37 and 38.16

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Solution

The fourth proportional to 41.49, 62.37 and 38.16 is: 57.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.49 : 62.37 = 38.16 : x
  2. Step 2: Convert to fraction form
    41.49/62.37 = 38.16/x
  3. Step 3: Cross multiply
    41.49x = 62.37 × 38.16
  4. Step 4: Simplify right side
    41.49x = 2,380.04
  5. Step 5: Solve for x
    x = 2,380.04/41.49
  6. Step 6: Final answer
    x = 57.36

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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.