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Finding the Fourth Proportional to 54,531.80, 81,797.70 and 44,163.80

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Solution

The fourth proportional to 54,531.80, 81,797.70 and 44,163.80 is: 66,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.80 : 81,797.70 = 44,163.80 : x
  2. Step 2: Convert to fraction form
    54,531.80/81,797.70 = 44,163.80/x
  3. Step 3: Cross multiply
    54,531.80x = 81,797.70 × 44,163.80
  4. Step 4: Simplify right side
    54,531.80x = 3,612,497,263.26
  5. Step 5: Solve for x
    x = 3,612,497,263.26/54,531.80
  6. Step 6: Final answer
    x = 66,245.70

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1.5x scale

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.