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Finding the Fourth Proportional to 33.62, 50.40 and 16.47

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Solution

The fourth proportional to 33.62, 50.40 and 16.47 is: 24.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.62 : 50.40 = 16.47 : x
  2. Step 2: Convert to fraction form
    33.62/50.40 = 16.47/x
  3. Step 3: Cross multiply
    33.62x = 50.40 × 16.47
  4. Step 4: Simplify right side
    33.62x = 830.09
  5. Step 5: Solve for x
    x = 830.09/33.62
  6. Step 6: Final answer
    x = 24.69

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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.