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Finding the Fourth Proportional to 4,873.57, 7,309.92 and 1,363.28

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Solution

The fourth proportional to 4,873.57, 7,309.92 and 1,363.28 is: 2,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.57 : 7,309.92 = 1,363.28 : x
  2. Step 2: Convert to fraction form
    4,873.57/7,309.92 = 1,363.28/x
  3. Step 3: Cross multiply
    4,873.57x = 7,309.92 × 1,363.28
  4. Step 4: Simplify right side
    4,873.57x = 9,965,436.30
  5. Step 5: Solve for x
    x = 9,965,436.30/4,873.57
  6. Step 6: Final answer
    x = 2,044.79

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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.