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Finding the Fourth Proportional to 3,867.96, 5,797.98 and 2,876.52

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Solution

The fourth proportional to 3,867.96, 5,797.98 and 2,876.52 is: 4,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.96 : 5,797.98 = 2,876.52 : x
  2. Step 2: Convert to fraction form
    3,867.96/5,797.98 = 2,876.52/x
  3. Step 3: Cross multiply
    3,867.96x = 5,797.98 × 2,876.52
  4. Step 4: Simplify right side
    3,867.96x = 16,678,005.43
  5. Step 5: Solve for x
    x = 16,678,005.43/3,867.96
  6. Step 6: Final answer
    x = 4,311.84

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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.