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Finding the Fourth Proportional to 6,807.08, 10,208.46 and 2,189

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Solution

The fourth proportional to 6,807.08, 10,208.46 and 2,189 is: 3,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.08 : 10,208.46 = 2,189 : x
  2. Step 2: Convert to fraction form
    6,807.08/10,208.46 = 2,189/x
  3. Step 3: Cross multiply
    6,807.08x = 10,208.46 × 2,189
  4. Step 4: Simplify right side
    6,807.08x = 22,346,318.94
  5. Step 5: Solve for x
    x = 22,346,318.94/6,807.08
  6. Step 6: Final answer
    x = 3,282.81

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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.