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Finding the Fourth Proportional to 5,863.91, 8,789.46 and 2,163.02

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Solution

The fourth proportional to 5,863.91, 8,789.46 and 2,163.02 is: 3,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.91 : 8,789.46 = 2,163.02 : x
  2. Step 2: Convert to fraction form
    5,863.91/8,789.46 = 2,163.02/x
  3. Step 3: Cross multiply
    5,863.91x = 8,789.46 × 2,163.02
  4. Step 4: Simplify right side
    5,863.91x = 19,011,733.82
  5. Step 5: Solve for x
    x = 19,011,733.82/5,863.91
  6. Step 6: Final answer
    x = 3,242.16

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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.