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Finding the Fourth Proportional to 50.25, 69.20 and 44.08

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Solution

The fourth proportional to 50.25, 69.20 and 44.08 is: 60.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.25 : 69.20 = 44.08 : x
  2. Step 2: Convert to fraction form
    50.25/69.20 = 44.08/x
  3. Step 3: Cross multiply
    50.25x = 69.20 × 44.08
  4. Step 4: Simplify right side
    50.25x = 3,049.77
  5. Step 5: Solve for x
    x = 3,049.77/50.25
  6. Step 6: Final answer
    x = 60.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.