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Finding the Fourth Proportional to 16.69, 24.89 and 14.11

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Solution

The fourth proportional to 16.69, 24.89 and 14.11 is: 21.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.69 : 24.89 = 14.11 : x
  2. Step 2: Convert to fraction form
    16.69/24.89 = 14.11/x
  3. Step 3: Cross multiply
    16.69x = 24.89 × 14.11
  4. Step 4: Simplify right side
    16.69x = 351.20
  5. Step 5: Solve for x
    x = 351.20/16.69
  6. Step 6: Final answer
    x = 21.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.