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Finding the Fourth Proportional to 16.34, 24.48 and 9.92

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Solution

The fourth proportional to 16.34, 24.48 and 9.92 is: 14.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.34 : 24.48 = 9.92 : x
  2. Step 2: Convert to fraction form
    16.34/24.48 = 9.92/x
  3. Step 3: Cross multiply
    16.34x = 24.48 × 9.92
  4. Step 4: Simplify right side
    16.34x = 242.84
  5. Step 5: Solve for x
    x = 242.84/16.34
  6. Step 6: Final answer
    x = 14.86

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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.