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Finding the Fourth Proportional to 17.52, 24.17 and 12.93

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Solution

The fourth proportional to 17.52, 24.17 and 12.93 is: 17.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.52 : 24.17 = 12.93 : x
  2. Step 2: Convert to fraction form
    17.52/24.17 = 12.93/x
  3. Step 3: Cross multiply
    17.52x = 24.17 × 12.93
  4. Step 4: Simplify right side
    17.52x = 312.45
  5. Step 5: Solve for x
    x = 312.45/17.52
  6. Step 6: Final answer
    x = 17.83

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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.