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Finding the Fourth Proportional to 41.62, 62.14 and 36.20

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Solution

The fourth proportional to 41.62, 62.14 and 36.20 is: 54.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.62 : 62.14 = 36.20 : x
  2. Step 2: Convert to fraction form
    41.62/62.14 = 36.20/x
  3. Step 3: Cross multiply
    41.62x = 62.14 × 36.20
  4. Step 4: Simplify right side
    41.62x = 2,249.47
  5. Step 5: Solve for x
    x = 2,249.47/41.62
  6. Step 6: Final answer
    x = 54.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.