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Finding the Fourth Proportional to 3,865.22, 5,798.89 and 1,674.27

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Solution

The fourth proportional to 3,865.22, 5,798.89 and 1,674.27 is: 2,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.22 : 5,798.89 = 1,674.27 : x
  2. Step 2: Convert to fraction form
    3,865.22/5,798.89 = 1,674.27/x
  3. Step 3: Cross multiply
    3,865.22x = 5,798.89 × 1,674.27
  4. Step 4: Simplify right side
    3,865.22x = 9,708,909.65
  5. Step 5: Solve for x
    x = 9,708,909.65/3,865.22
  6. Step 6: Final answer
    x = 2,511.87

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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.