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Finding the Fourth Proportional to 16.28, 22.46 and 10.46

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Solution

The fourth proportional to 16.28, 22.46 and 10.46 is: 14.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.28 : 22.46 = 10.46 : x
  2. Step 2: Convert to fraction form
    16.28/22.46 = 10.46/x
  3. Step 3: Cross multiply
    16.28x = 22.46 × 10.46
  4. Step 4: Simplify right side
    16.28x = 234.93
  5. Step 5: Solve for x
    x = 234.93/16.28
  6. Step 6: Final answer
    x = 14.43

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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.