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Finding the Fourth Proportional to 16.05, 22.26 and 14.43

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Solution

The fourth proportional to 16.05, 22.26 and 14.43 is: 20.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.05 : 22.26 = 14.43 : x
  2. Step 2: Convert to fraction form
    16.05/22.26 = 14.43/x
  3. Step 3: Cross multiply
    16.05x = 22.26 × 14.43
  4. Step 4: Simplify right side
    16.05x = 321.21
  5. Step 5: Solve for x
    x = 321.21/16.05
  6. Step 6: Final answer
    x = 20.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.