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Finding the Fourth Proportional to 3,959.87, 5,941.85 and 2,873.19

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Solution

The fourth proportional to 3,959.87, 5,941.85 and 2,873.19 is: 4,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.87 : 5,941.85 = 2,873.19 : x
  2. Step 2: Convert to fraction form
    3,959.87/5,941.85 = 2,873.19/x
  3. Step 3: Cross multiply
    3,959.87x = 5,941.85 × 2,873.19
  4. Step 4: Simplify right side
    3,959.87x = 17,072,049.64
  5. Step 5: Solve for x
    x = 17,072,049.64/3,959.87
  6. Step 6: Final answer
    x = 4,311.27

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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.