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Finding the Fourth Proportional to 80,571.80, 120,872.33 and 35,593.08

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Solution

The fourth proportional to 80,571.80, 120,872.33 and 35,593.08 is: 53,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,571.80 : 120,872.33 = 35,593.08 : x
  2. Step 2: Convert to fraction form
    80,571.80/120,872.33 = 35,593.08/x
  3. Step 3: Cross multiply
    80,571.80x = 120,872.33 × 35,593.08
  4. Step 4: Simplify right side
    80,571.80x = 4,302,218,333.51
  5. Step 5: Solve for x
    x = 4,302,218,333.51/80,571.80
  6. Step 6: Final answer
    x = 53,396.08

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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.