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Finding the Fourth Proportional to 16.12, 24.14 and 9.69

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Solution

The fourth proportional to 16.12, 24.14 and 9.69 is: 14.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.12 : 24.14 = 9.69 : x
  2. Step 2: Convert to fraction form
    16.12/24.14 = 9.69/x
  3. Step 3: Cross multiply
    16.12x = 24.14 × 9.69
  4. Step 4: Simplify right side
    16.12x = 233.92
  5. Step 5: Solve for x
    x = 233.92/16.12
  6. Step 6: Final answer
    x = 14.51

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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.