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Finding the Fourth Proportional to 41.44, 62.16 and 25.38

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Solution

The fourth proportional to 41.44, 62.16 and 25.38 is: 38.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.44 : 62.16 = 25.38 : x
  2. Step 2: Convert to fraction form
    41.44/62.16 = 25.38/x
  3. Step 3: Cross multiply
    41.44x = 62.16 × 25.38
  4. Step 4: Simplify right side
    41.44x = 1,577.62
  5. Step 5: Solve for x
    x = 1,577.62/41.44
  6. Step 6: Final answer
    x = 38.07

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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.