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Finding the Fourth Proportional to 22.62, 33.70 and 22.53

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Solution

The fourth proportional to 22.62, 33.70 and 22.53 is: 33.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.62 : 33.70 = 22.53 : x
  2. Step 2: Convert to fraction form
    22.62/33.70 = 22.53/x
  3. Step 3: Cross multiply
    22.62x = 33.70 × 22.53
  4. Step 4: Simplify right side
    22.62x = 759.20
  5. Step 5: Solve for x
    x = 759.20/22.62
  6. Step 6: Final answer
    x = 33.56

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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.