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Finding the Fourth Proportional to 33.52, 50.16 and 30

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Solution

The fourth proportional to 33.52, 50.16 and 30 is: 44.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.52 : 50.16 = 30 : x
  2. Step 2: Convert to fraction form
    33.52/50.16 = 30/x
  3. Step 3: Cross multiply
    33.52x = 50.16 × 30
  4. Step 4: Simplify right side
    33.52x = 1,504.80
  5. Step 5: Solve for x
    x = 1,504.80/33.52
  6. Step 6: Final answer
    x = 44.89

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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.