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Finding the Fourth Proportional to 6,855.93, 10,283.91 and 2,179.22

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Solution

The fourth proportional to 6,855.93, 10,283.91 and 2,179.22 is: 3,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.93 : 10,283.91 = 2,179.22 : x
  2. Step 2: Convert to fraction form
    6,855.93/10,283.91 = 2,179.22/x
  3. Step 3: Cross multiply
    6,855.93x = 10,283.91 × 2,179.22
  4. Step 4: Simplify right side
    6,855.93x = 22,410,850.93
  5. Step 5: Solve for x
    x = 22,410,850.93/6,855.93
  6. Step 6: Final answer
    x = 3,268.83

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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.