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Finding the Fourth Proportional to 23.52, 35.28 and 18.22

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Solution

The fourth proportional to 23.52, 35.28 and 18.22 is: 27.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.52 : 35.28 = 18.22 : x
  2. Step 2: Convert to fraction form
    23.52/35.28 = 18.22/x
  3. Step 3: Cross multiply
    23.52x = 35.28 × 18.22
  4. Step 4: Simplify right side
    23.52x = 642.80
  5. Step 5: Solve for x
    x = 642.80/23.52
  6. Step 6: Final answer
    x = 27.33

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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.