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Finding the Fourth Proportional to 18.52, 27.83 and 16.29

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Solution

The fourth proportional to 18.52, 27.83 and 16.29 is: 24.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.52 : 27.83 = 16.29 : x
  2. Step 2: Convert to fraction form
    18.52/27.83 = 16.29/x
  3. Step 3: Cross multiply
    18.52x = 27.83 × 16.29
  4. Step 4: Simplify right side
    18.52x = 453.35
  5. Step 5: Solve for x
    x = 453.35/18.52
  6. Step 6: Final answer
    x = 24.48

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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.