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Finding the Fourth Proportional to 26.97, 37.22 and 17.26

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Solution

The fourth proportional to 26.97, 37.22 and 17.26 is: 23.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.97 : 37.22 = 17.26 : x
  2. Step 2: Convert to fraction form
    26.97/37.22 = 17.26/x
  3. Step 3: Cross multiply
    26.97x = 37.22 × 17.26
  4. Step 4: Simplify right side
    26.97x = 642.42
  5. Step 5: Solve for x
    x = 642.42/26.97
  6. Step 6: Final answer
    x = 23.82

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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.