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Finding the Fourth Proportional to 41.25, 62.01 and 40.44

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Solution

The fourth proportional to 41.25, 62.01 and 40.44 is: 60.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.25 : 62.01 = 40.44 : x
  2. Step 2: Convert to fraction form
    41.25/62.01 = 40.44/x
  3. Step 3: Cross multiply
    41.25x = 62.01 × 40.44
  4. Step 4: Simplify right side
    41.25x = 2,507.68
  5. Step 5: Solve for x
    x = 2,507.68/41.25
  6. Step 6: Final answer
    x = 60.79

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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.