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Finding the Fourth Proportional to 23.88, 32.97 and 16.62

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Solution

The fourth proportional to 23.88, 32.97 and 16.62 is: 22.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.88 : 32.97 = 16.62 : x
  2. Step 2: Convert to fraction form
    23.88/32.97 = 16.62/x
  3. Step 3: Cross multiply
    23.88x = 32.97 × 16.62
  4. Step 4: Simplify right side
    23.88x = 547.96
  5. Step 5: Solve for x
    x = 547.96/23.88
  6. Step 6: Final answer
    x = 22.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.