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Finding the Fourth Proportional to 16.37, 24.49 and 11.85

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Solution

The fourth proportional to 16.37, 24.49 and 11.85 is: 17.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.37 : 24.49 = 11.85 : x
  2. Step 2: Convert to fraction form
    16.37/24.49 = 11.85/x
  3. Step 3: Cross multiply
    16.37x = 24.49 × 11.85
  4. Step 4: Simplify right side
    16.37x = 290.21
  5. Step 5: Solve for x
    x = 290.21/16.37
  6. Step 6: Final answer
    x = 17.73

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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.