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Finding the Fourth Proportional to 3,169.62, 4,375.01 and 2,050.61

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Solution

The fourth proportional to 3,169.62, 4,375.01 and 2,050.61 is: 2,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.62 : 4,375.01 = 2,050.61 : x
  2. Step 2: Convert to fraction form
    3,169.62/4,375.01 = 2,050.61/x
  3. Step 3: Cross multiply
    3,169.62x = 4,375.01 × 2,050.61
  4. Step 4: Simplify right side
    3,169.62x = 8,971,407.13
  5. Step 5: Solve for x
    x = 8,971,407.13/3,169.62
  6. Step 6: Final answer
    x = 2,830.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.