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Finding the Fourth Proportional to 6,843.68, 10,264.62 and 2,164.16

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Solution

The fourth proportional to 6,843.68, 10,264.62 and 2,164.16 is: 3,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.68 : 10,264.62 = 2,164.16 : x
  2. Step 2: Convert to fraction form
    6,843.68/10,264.62 = 2,164.16/x
  3. Step 3: Cross multiply
    6,843.68x = 10,264.62 × 2,164.16
  4. Step 4: Simplify right side
    6,843.68x = 22,214,228.70
  5. Step 5: Solve for x
    x = 22,214,228.70/6,843.68
  6. Step 6: Final answer
    x = 3,245.95

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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.