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Finding the Fourth Proportional to 17.25, 26.01 and 16.92

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Solution

The fourth proportional to 17.25, 26.01 and 16.92 is: 25.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.25 : 26.01 = 16.92 : x
  2. Step 2: Convert to fraction form
    17.25/26.01 = 16.92/x
  3. Step 3: Cross multiply
    17.25x = 26.01 × 16.92
  4. Step 4: Simplify right side
    17.25x = 440.09
  5. Step 5: Solve for x
    x = 440.09/17.25
  6. Step 6: Final answer
    x = 25.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.