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Finding the Fourth Proportional to 22.52, 33.82 and 19.48

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Solution

The fourth proportional to 22.52, 33.82 and 19.48 is: 29.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.52 : 33.82 = 19.48 : x
  2. Step 2: Convert to fraction form
    22.52/33.82 = 19.48/x
  3. Step 3: Cross multiply
    22.52x = 33.82 × 19.48
  4. Step 4: Simplify right side
    22.52x = 658.64
  5. Step 5: Solve for x
    x = 658.64/22.52
  6. Step 6: Final answer
    x = 29.25

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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.