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Finding the Fourth Proportional to 54,263.97, 80,914.77 and 50,644.49

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Solution

The fourth proportional to 54,263.97, 80,914.77 and 50,644.49 is: 75,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.97 : 80,914.77 = 50,644.49 : x
  2. Step 2: Convert to fraction form
    54,263.97/80,914.77 = 50,644.49/x
  3. Step 3: Cross multiply
    54,263.97x = 80,914.77 × 50,644.49
  4. Step 4: Simplify right side
    54,263.97x = 4,097,886,855.54
  5. Step 5: Solve for x
    x = 4,097,886,855.54/54,263.97
  6. Step 6: Final answer
    x = 75,517.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.