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Finding the Fourth Proportional to 33.47, 50.24 and 25.50

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Solution

The fourth proportional to 33.47, 50.24 and 25.50 is: 38.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.47 : 50.24 = 25.50 : x
  2. Step 2: Convert to fraction form
    33.47/50.24 = 25.50/x
  3. Step 3: Cross multiply
    33.47x = 50.24 × 25.50
  4. Step 4: Simplify right side
    33.47x = 1,281.12
  5. Step 5: Solve for x
    x = 1,281.12/33.47
  6. Step 6: Final answer
    x = 38.28

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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.