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Finding the Fourth Proportional to 17.59, 24.27 and 12.43

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Solution

The fourth proportional to 17.59, 24.27 and 12.43 is: 17.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.59 : 24.27 = 12.43 : x
  2. Step 2: Convert to fraction form
    17.59/24.27 = 12.43/x
  3. Step 3: Cross multiply
    17.59x = 24.27 × 12.43
  4. Step 4: Simplify right side
    17.59x = 301.68
  5. Step 5: Solve for x
    x = 301.68/17.59
  6. Step 6: Final answer
    x = 17.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.