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Finding the Fourth Proportional to 17.41, 24.02 and 11.28

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Solution

The fourth proportional to 17.41, 24.02 and 11.28 is: 15.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.41 : 24.02 = 11.28 : x
  2. Step 2: Convert to fraction form
    17.41/24.02 = 11.28/x
  3. Step 3: Cross multiply
    17.41x = 24.02 × 11.28
  4. Step 4: Simplify right side
    17.41x = 270.88
  5. Step 5: Solve for x
    x = 270.88/17.41
  6. Step 6: Final answer
    x = 15.56

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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.