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Finding the Fourth Proportional to 33.40, 50.11 and 16.29

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Solution

The fourth proportional to 33.40, 50.11 and 16.29 is: 24.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.40 : 50.11 = 16.29 : x
  2. Step 2: Convert to fraction form
    33.40/50.11 = 16.29/x
  3. Step 3: Cross multiply
    33.40x = 50.11 × 16.29
  4. Step 4: Simplify right side
    33.40x = 816.55
  5. Step 5: Solve for x
    x = 816.55/33.40
  6. Step 6: Final answer
    x = 24.45

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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.