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Finding the Fourth Proportional to 22.54, 33.62 and 22.09

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Solution

The fourth proportional to 22.54, 33.62 and 22.09 is: 32.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.54 : 33.62 = 22.09 : x
  2. Step 2: Convert to fraction form
    22.54/33.62 = 22.09/x
  3. Step 3: Cross multiply
    22.54x = 33.62 × 22.09
  4. Step 4: Simplify right side
    22.54x = 742.67
  5. Step 5: Solve for x
    x = 742.67/22.54
  6. Step 6: Final answer
    x = 32.95

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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.