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Finding the Fourth Proportional to 17.24, 25.67 and 17.13

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Solution

The fourth proportional to 17.24, 25.67 and 17.13 is: 25.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.24 : 25.67 = 17.13 : x
  2. Step 2: Convert to fraction form
    17.24/25.67 = 17.13/x
  3. Step 3: Cross multiply
    17.24x = 25.67 × 17.13
  4. Step 4: Simplify right side
    17.24x = 439.80
  5. Step 5: Solve for x
    x = 439.80/17.24
  6. Step 6: Final answer
    x = 25.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.