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Finding the Fourth Proportional to 16.43, 24.65 and 9.68

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Solution

The fourth proportional to 16.43, 24.65 and 9.68 is: 14.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.43 : 24.65 = 9.68 : x
  2. Step 2: Convert to fraction form
    16.43/24.65 = 9.68/x
  3. Step 3: Cross multiply
    16.43x = 24.65 × 9.68
  4. Step 4: Simplify right side
    16.43x = 238.44
  5. Step 5: Solve for x
    x = 238.44/16.43
  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.