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Finding the Fourth Proportional to 3,670,380.80, 5,505,571.20 and 3,670,380.80

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Solution

The fourth proportional to 3,670,380.80, 5,505,571.20 and 3,670,380.80 is: 5,505,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,380.80 : 5,505,571.20 = 3,670,380.80 : x
  2. Step 2: Convert to fraction form
    3,670,380.80/5,505,571.20 = 3,670,380.80/x
  3. Step 3: Cross multiply
    3,670,380.80x = 5,505,571.20 × 3,670,380.80
  4. Step 4: Simplify right side
    3,670,380.80x = 20,207,542,825,512.96
  5. Step 5: Solve for x
    x = 20,207,542,825,512.96/3,670,380.80
  6. Step 6: Final answer
    x = 5,505,571.20

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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.