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Finding the Fourth Proportional to 17.43, 24.04 and 13.29

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Solution

The fourth proportional to 17.43, 24.04 and 13.29 is: 18.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.43 : 24.04 = 13.29 : x
  2. Step 2: Convert to fraction form
    17.43/24.04 = 13.29/x
  3. Step 3: Cross multiply
    17.43x = 24.04 × 13.29
  4. Step 4: Simplify right side
    17.43x = 319.49
  5. Step 5: Solve for x
    x = 319.49/17.43
  6. Step 6: Final answer
    x = 18.33

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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.