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Finding the Fourth Proportional to 6,163.80, 9,245.70 and 3,563.70

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Solution

The fourth proportional to 6,163.80, 9,245.70 and 3,563.70 is: 5,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.80 : 9,245.70 = 3,563.70 : x
  2. Step 2: Convert to fraction form
    6,163.80/9,245.70 = 3,563.70/x
  3. Step 3: Cross multiply
    6,163.80x = 9,245.70 × 3,563.70
  4. Step 4: Simplify right side
    6,163.80x = 32,948,901.09
  5. Step 5: Solve for x
    x = 32,948,901.09/6,163.80
  6. Step 6: Final answer
    x = 5,345.55

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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.