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Finding the Fourth Proportional to 41.48, 62.24 and 32.40

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Solution

The fourth proportional to 41.48, 62.24 and 32.40 is: 48.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.48 : 62.24 = 32.40 : x
  2. Step 2: Convert to fraction form
    41.48/62.24 = 32.40/x
  3. Step 3: Cross multiply
    41.48x = 62.24 × 32.40
  4. Step 4: Simplify right side
    41.48x = 2,016.58
  5. Step 5: Solve for x
    x = 2,016.58/41.48
  6. Step 6: Final answer
    x = 48.62

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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.