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Finding the Fourth Proportional to 80,622.72, 120,811.04 and 33,850.24

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Solution

The fourth proportional to 80,622.72, 120,811.04 and 33,850.24 is: 50,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.72 : 120,811.04 = 33,850.24 : x
  2. Step 2: Convert to fraction form
    80,622.72/120,811.04 = 33,850.24/x
  3. Step 3: Cross multiply
    80,622.72x = 120,811.04 × 33,850.24
  4. Step 4: Simplify right side
    80,622.72x = 4,089,482,698.65
  5. Step 5: Solve for x
    x = 4,089,482,698.65/80,622.72
  6. Step 6: Final answer
    x = 50,723.70

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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.