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Finding the Fourth Proportional to 16.10, 22.22 and 8.83

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Solution

The fourth proportional to 16.10, 22.22 and 8.83 is: 12.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.10 : 22.22 = 8.83 : x
  2. Step 2: Convert to fraction form
    16.10/22.22 = 8.83/x
  3. Step 3: Cross multiply
    16.10x = 22.22 × 8.83
  4. Step 4: Simplify right side
    16.10x = 196.12
  5. Step 5: Solve for x
    x = 196.12/16.10
  6. Step 6: Final answer
    x = 12.18

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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.