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Finding the Fourth Proportional to 18.35, 27.53 and 14.96

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Solution

The fourth proportional to 18.35, 27.53 and 14.96 is: 22.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.35 : 27.53 = 14.96 : x
  2. Step 2: Convert to fraction form
    18.35/27.53 = 14.96/x
  3. Step 3: Cross multiply
    18.35x = 27.53 × 14.96
  4. Step 4: Simplify right side
    18.35x = 411.85
  5. Step 5: Solve for x
    x = 411.85/18.35
  6. Step 6: Final answer
    x = 22.44

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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.