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Finding the Fourth Proportional to 49,850.53, 68,754.83 and 31,947.20

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Solution

The fourth proportional to 49,850.53, 68,754.83 and 31,947.20 is: 44,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,850.53 : 68,754.83 = 31,947.20 : x
  2. Step 2: Convert to fraction form
    49,850.53/68,754.83 = 31,947.20/x
  3. Step 3: Cross multiply
    49,850.53x = 68,754.83 × 31,947.20
  4. Step 4: Simplify right side
    49,850.53x = 2,196,524,304.98
  5. Step 5: Solve for x
    x = 2,196,524,304.98/49,850.53
  6. Step 6: Final answer
    x = 44,062.21

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1.5x scale

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.