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Finding the Fourth Proportional to 16.18, 24.27 and 15.97

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Solution

The fourth proportional to 16.18, 24.27 and 15.97 is: 23.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.18 : 24.27 = 15.97 : x
  2. Step 2: Convert to fraction form
    16.18/24.27 = 15.97/x
  3. Step 3: Cross multiply
    16.18x = 24.27 × 15.97
  4. Step 4: Simplify right side
    16.18x = 387.59
  5. Step 5: Solve for x
    x = 387.59/16.18
  6. Step 6: Final answer
    x = 23.96

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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.