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Finding the Fourth Proportional to 6,704.80, 10,043.78 and 3,198.22

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Solution

The fourth proportional to 6,704.80, 10,043.78 and 3,198.22 is: 4,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.80 : 10,043.78 = 3,198.22 : x
  2. Step 2: Convert to fraction form
    6,704.80/10,043.78 = 3,198.22/x
  3. Step 3: Cross multiply
    6,704.80x = 10,043.78 × 3,198.22
  4. Step 4: Simplify right side
    6,704.80x = 32,122,218.07
  5. Step 5: Solve for x
    x = 32,122,218.07/6,704.80
  6. Step 6: Final answer
    x = 4,790.93

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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.