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Finding the Fourth Proportional to 14.13, 19.44 and 12.33

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Solution

The fourth proportional to 14.13, 19.44 and 12.33 is: 16.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.13 : 19.44 = 12.33 : x
  2. Step 2: Convert to fraction form
    14.13/19.44 = 12.33/x
  3. Step 3: Cross multiply
    14.13x = 19.44 × 12.33
  4. Step 4: Simplify right side
    14.13x = 239.70
  5. Step 5: Solve for x
    x = 239.70/14.13
  6. Step 6: Final answer
    x = 16.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.