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Finding the Fourth Proportional to 22.62, 33.86 and 17.46

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Solution

The fourth proportional to 22.62, 33.86 and 17.46 is: 26.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.62 : 33.86 = 17.46 : x
  2. Step 2: Convert to fraction form
    22.62/33.86 = 17.46/x
  3. Step 3: Cross multiply
    22.62x = 33.86 × 17.46
  4. Step 4: Simplify right side
    22.62x = 591.20
  5. Step 5: Solve for x
    x = 591.20/22.62
  6. Step 6: Final answer
    x = 26.14

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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.