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Finding the Fourth Proportional to 16.53, 24.77 and 7.96

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Solution

The fourth proportional to 16.53, 24.77 and 7.96 is: 11.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.53 : 24.77 = 7.96 : x
  2. Step 2: Convert to fraction form
    16.53/24.77 = 7.96/x
  3. Step 3: Cross multiply
    16.53x = 24.77 × 7.96
  4. Step 4: Simplify right side
    16.53x = 197.17
  5. Step 5: Solve for x
    x = 197.17/16.53
  6. Step 6: Final answer
    x = 11.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.