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Finding the Fourth Proportional to 80,604.08, 120,825.01 and 33,253.70

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Solution

The fourth proportional to 80,604.08, 120,825.01 and 33,253.70 is: 49,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604.08 : 120,825.01 = 33,253.70 : x
  2. Step 2: Convert to fraction form
    80,604.08/120,825.01 = 33,253.70/x
  3. Step 3: Cross multiply
    80,604.08x = 120,825.01 × 33,253.70
  4. Step 4: Simplify right side
    80,604.08x = 4,017,878,635.04
  5. Step 5: Solve for x
    x = 4,017,878,635.04/80,604.08
  6. Step 6: Final answer
    x = 49,847.09

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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.