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Finding the Fourth Proportional to 73,947.80, 110,921.70 and 44,350.40

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Solution

The fourth proportional to 73,947.80, 110,921.70 and 44,350.40 is: 66,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,947.80 : 110,921.70 = 44,350.40 : x
  2. Step 2: Convert to fraction form
    73,947.80/110,921.70 = 44,350.40/x
  3. Step 3: Cross multiply
    73,947.80x = 110,921.70 × 44,350.40
  4. Step 4: Simplify right side
    73,947.80x = 4,919,421,763.68
  5. Step 5: Solve for x
    x = 4,919,421,763.68/73,947.80
  6. Step 6: Final answer
    x = 66,525.60

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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.