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Finding the Fourth Proportional to 16.50, 24.76 and 8.48

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Solution

The fourth proportional to 16.50, 24.76 and 8.48 is: 12.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.50 : 24.76 = 8.48 : x
  2. Step 2: Convert to fraction form
    16.50/24.76 = 8.48/x
  3. Step 3: Cross multiply
    16.50x = 24.76 × 8.48
  4. Step 4: Simplify right side
    16.50x = 210.01
  5. Step 5: Solve for x
    x = 210.01/16.50
  6. Step 6: Final answer
    x = 12.73

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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.