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Finding the Fourth Proportional to 23.52, 32.61 and 22.42

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Solution

The fourth proportional to 23.52, 32.61 and 22.42 is: 31.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.52 : 32.61 = 22.42 : x
  2. Step 2: Convert to fraction form
    23.52/32.61 = 22.42/x
  3. Step 3: Cross multiply
    23.52x = 32.61 × 22.42
  4. Step 4: Simplify right side
    23.52x = 731.18
  5. Step 5: Solve for x
    x = 731.18/23.52
  6. Step 6: Final answer
    x = 31.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.