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Finding the Fourth Proportional to 41.46, 62.19 and 14.42

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Solution

The fourth proportional to 41.46, 62.19 and 14.42 is: 21.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.46 : 62.19 = 14.42 : x
  2. Step 2: Convert to fraction form
    41.46/62.19 = 14.42/x
  3. Step 3: Cross multiply
    41.46x = 62.19 × 14.42
  4. Step 4: Simplify right side
    41.46x = 896.47
  5. Step 5: Solve for x
    x = 896.47/41.46
  6. Step 6: Final answer
    x = 21.62

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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.