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Finding the Fourth Proportional to 50,758.62, 75,972.33 and 45,908.70

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Solution

The fourth proportional to 50,758.62, 75,972.33 and 45,908.70 is: 68,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,758.62 : 75,972.33 = 45,908.70 : x
  2. Step 2: Convert to fraction form
    50,758.62/75,972.33 = 45,908.70/x
  3. Step 3: Cross multiply
    50,758.62x = 75,972.33 × 45,908.70
  4. Step 4: Simplify right side
    50,758.62x = 3,487,790,906.27
  5. Step 5: Solve for x
    x = 3,487,790,906.27/50,758.62
  6. Step 6: Final answer
    x = 68,713.27

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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.