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Finding the Fourth Proportional to 12.32, 16.96 and 10.88

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Solution

The fourth proportional to 12.32, 16.96 and 10.88 is: 14.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.32 : 16.96 = 10.88 : x
  2. Step 2: Convert to fraction form
    12.32/16.96 = 10.88/x
  3. Step 3: Cross multiply
    12.32x = 16.96 × 10.88
  4. Step 4: Simplify right side
    12.32x = 184.52
  5. Step 5: Solve for x
    x = 184.52/12.32
  6. Step 6: Final answer
    x = 14.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.