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Finding the Fourth Proportional to 43,994.80, 65,992.20 and 36,314.80

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Solution

The fourth proportional to 43,994.80, 65,992.20 and 36,314.80 is: 54,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,994.80 : 65,992.20 = 36,314.80 : x
  2. Step 2: Convert to fraction form
    43,994.80/65,992.20 = 36,314.80/x
  3. Step 3: Cross multiply
    43,994.80x = 65,992.20 × 36,314.80
  4. Step 4: Simplify right side
    43,994.80x = 2,396,493,544.56
  5. Step 5: Solve for x
    x = 2,396,493,544.56/43,994.80
  6. Step 6: Final answer
    x = 54,472.20

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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.