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Finding the Fourth Proportional to 80,585.94, 120,891.87 and 33,852.18

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Solution

The fourth proportional to 80,585.94, 120,891.87 and 33,852.18 is: 50,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585.94 : 120,891.87 = 33,852.18 : x
  2. Step 2: Convert to fraction form
    80,585.94/120,891.87 = 33,852.18/x
  3. Step 3: Cross multiply
    80,585.94x = 120,891.87 × 33,852.18
  4. Step 4: Simplify right side
    80,585.94x = 4,092,453,343.78
  5. Step 5: Solve for x
    x = 4,092,453,343.78/80,585.94
  6. Step 6: Final answer
    x = 50,783.71

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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.