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Finding the Fourth Proportional to 50,149.80, 69,150.00 and 31,976.27

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Solution

The fourth proportional to 50,149.80, 69,150.00 and 31,976.27 is: 44,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,149.80 : 69,150.00 = 31,976.27 : x
  2. Step 2: Convert to fraction form
    50,149.80/69,150.00 = 31,976.27/x
  3. Step 3: Cross multiply
    50,149.80x = 69,150.00 × 31,976.27
  4. Step 4: Simplify right side
    50,149.80x = 2,211,159,103.97
  5. Step 5: Solve for x
    x = 2,211,159,103.97/50,149.80
  6. Step 6: Final answer
    x = 44,091.09

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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.