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Finding the Fourth Proportional to 16.73, 25.06 and 12.23

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Solution

The fourth proportional to 16.73, 25.06 and 12.23 is: 18.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.73 : 25.06 = 12.23 : x
  2. Step 2: Convert to fraction form
    16.73/25.06 = 12.23/x
  3. Step 3: Cross multiply
    16.73x = 25.06 × 12.23
  4. Step 4: Simplify right side
    16.73x = 306.48
  5. Step 5: Solve for x
    x = 306.48/16.73
  6. Step 6: Final answer
    x = 18.32

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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.