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Finding the Fourth Proportional to 16.44, 22.82 and 16.16

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Solution

The fourth proportional to 16.44, 22.82 and 16.16 is: 22.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.44 : 22.82 = 16.16 : x
  2. Step 2: Convert to fraction form
    16.44/22.82 = 16.16/x
  3. Step 3: Cross multiply
    16.44x = 22.82 × 16.16
  4. Step 4: Simplify right side
    16.44x = 368.77
  5. Step 5: Solve for x
    x = 368.77/16.44
  6. Step 6: Final answer
    x = 22.43

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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.