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Finding the Fourth Proportional to 17.52, 24.14 and 12.66

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Solution

The fourth proportional to 17.52, 24.14 and 12.66 is: 17.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.52 : 24.14 = 12.66 : x
  2. Step 2: Convert to fraction form
    17.52/24.14 = 12.66/x
  3. Step 3: Cross multiply
    17.52x = 24.14 × 12.66
  4. Step 4: Simplify right side
    17.52x = 305.61
  5. Step 5: Solve for x
    x = 305.61/17.52
  6. Step 6: Final answer
    x = 17.44

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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.