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Finding the Fourth Proportional to 16.50, 24.56 and 16.12

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Solution

The fourth proportional to 16.50, 24.56 and 16.12 is: 23.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.50 : 24.56 = 16.12 : x
  2. Step 2: Convert to fraction form
    16.50/24.56 = 16.12/x
  3. Step 3: Cross multiply
    16.50x = 24.56 × 16.12
  4. Step 4: Simplify right side
    16.50x = 395.91
  5. Step 5: Solve for x
    x = 395.91/16.50
  6. Step 6: Final answer
    x = 23.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.