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Finding the Fourth Proportional to 16.28, 22.44 and 14.33

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Solution

The fourth proportional to 16.28, 22.44 and 14.33 is: 19.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.28 : 22.44 = 14.33 : x
  2. Step 2: Convert to fraction form
    16.28/22.44 = 14.33/x
  3. Step 3: Cross multiply
    16.28x = 22.44 × 14.33
  4. Step 4: Simplify right side
    16.28x = 321.45
  5. Step 5: Solve for x
    x = 321.45/16.28
  6. Step 6: Final answer
    x = 19.75

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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.