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Finding the Fourth Proportional to 22.67, 33.94 and 17.61

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Solution

The fourth proportional to 22.67, 33.94 and 17.61 is: 26.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.67 : 33.94 = 17.61 : x
  2. Step 2: Convert to fraction form
    22.67/33.94 = 17.61/x
  3. Step 3: Cross multiply
    22.67x = 33.94 × 17.61
  4. Step 4: Simplify right side
    22.67x = 597.68
  5. Step 5: Solve for x
    x = 597.68/22.67
  6. Step 6: Final answer
    x = 26.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.