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Finding the Fourth Proportional to 6,296.98, 8,689.89 and 3,425.73

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Solution

The fourth proportional to 6,296.98, 8,689.89 and 3,425.73 is: 4,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.98 : 8,689.89 = 3,425.73 : x
  2. Step 2: Convert to fraction form
    6,296.98/8,689.89 = 3,425.73/x
  3. Step 3: Cross multiply
    6,296.98x = 8,689.89 × 3,425.73
  4. Step 4: Simplify right side
    6,296.98x = 29,769,216.87
  5. Step 5: Solve for x
    x = 29,769,216.87/6,296.98
  6. Step 6: Final answer
    x = 4,727.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.