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Finding the Fourth Proportional to 16.10, 24.24 and 12.32

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Solution

The fourth proportional to 16.10, 24.24 and 12.32 is: 18.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.10 : 24.24 = 12.32 : x
  2. Step 2: Convert to fraction form
    16.10/24.24 = 12.32/x
  3. Step 3: Cross multiply
    16.10x = 24.24 × 12.32
  4. Step 4: Simplify right side
    16.10x = 298.65
  5. Step 5: Solve for x
    x = 298.65/16.10
  6. Step 6: Final answer
    x = 18.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.