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Finding the Fourth Proportional to 16.17, 24.26 and 15.87

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Solution

The fourth proportional to 16.17, 24.26 and 15.87 is: 23.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.17 : 24.26 = 15.87 : x
  2. Step 2: Convert to fraction form
    16.17/24.26 = 15.87/x
  3. Step 3: Cross multiply
    16.17x = 24.26 × 15.87
  4. Step 4: Simplify right side
    16.17x = 385.01
  5. Step 5: Solve for x
    x = 385.01/16.17
  6. Step 6: Final answer
    x = 23.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.