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Finding the Fourth Proportional to 16.43, 24.63 and 11.93

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Solution

The fourth proportional to 16.43, 24.63 and 11.93 is: 17.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.43 : 24.63 = 11.93 : x
  2. Step 2: Convert to fraction form
    16.43/24.63 = 11.93/x
  3. Step 3: Cross multiply
    16.43x = 24.63 × 11.93
  4. Step 4: Simplify right side
    16.43x = 293.71
  5. Step 5: Solve for x
    x = 293.71/16.43
  6. Step 6: Final answer
    x = 17.88

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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.