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Finding the Fourth Proportional to 4,363.80, 6,546.12 and 1,591.80

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Solution

The fourth proportional to 4,363.80, 6,546.12 and 1,591.80 is: 2,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.80 : 6,546.12 = 1,591.80 : x
  2. Step 2: Convert to fraction form
    4,363.80/6,546.12 = 1,591.80/x
  3. Step 3: Cross multiply
    4,363.80x = 6,546.12 × 1,591.80
  4. Step 4: Simplify right side
    4,363.80x = 10,420,113.82
  5. Step 5: Solve for x
    x = 10,420,113.82/4,363.80
  6. Step 6: Final answer
    x = 2,387.85

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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.