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Finding the Fourth Proportional to 24.12, 33.27 and 16.83

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Solution

The fourth proportional to 24.12, 33.27 and 16.83 is: 23.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.12 : 33.27 = 16.83 : x
  2. Step 2: Convert to fraction form
    24.12/33.27 = 16.83/x
  3. Step 3: Cross multiply
    24.12x = 33.27 × 16.83
  4. Step 4: Simplify right side
    24.12x = 559.93
  5. Step 5: Solve for x
    x = 559.93/24.12
  6. Step 6: Final answer
    x = 23.21

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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.