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Finding the Fourth Proportional to 41.76, 62.64 and 16.07

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Solution

The fourth proportional to 41.76, 62.64 and 16.07 is: 24.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.76 : 62.64 = 16.07 : x
  2. Step 2: Convert to fraction form
    41.76/62.64 = 16.07/x
  3. Step 3: Cross multiply
    41.76x = 62.64 × 16.07
  4. Step 4: Simplify right side
    41.76x = 1,006.91
  5. Step 5: Solve for x
    x = 1,006.91/41.76
  6. Step 6: Final answer
    x = 24.11

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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.