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Finding the Fourth Proportional to 18.35, 27.37 and 16.73

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Solution

The fourth proportional to 18.35, 27.37 and 16.73 is: 24.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.35 : 27.37 = 16.73 : x
  2. Step 2: Convert to fraction form
    18.35/27.37 = 16.73/x
  3. Step 3: Cross multiply
    18.35x = 27.37 × 16.73
  4. Step 4: Simplify right side
    18.35x = 457.90
  5. Step 5: Solve for x
    x = 457.90/18.35
  6. Step 6: Final answer
    x = 24.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.