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Finding the Fourth Proportional to 5,293.87, 7,943.39 and 2,174.82

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Solution

The fourth proportional to 5,293.87, 7,943.39 and 2,174.82 is: 3,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.87 : 7,943.39 = 2,174.82 : x
  2. Step 2: Convert to fraction form
    5,293.87/7,943.39 = 2,174.82/x
  3. Step 3: Cross multiply
    5,293.87x = 7,943.39 × 2,174.82
  4. Step 4: Simplify right side
    5,293.87x = 17,275,410.93
  5. Step 5: Solve for x
    x = 17,275,410.93/5,293.87
  6. Step 6: Final answer
    x = 3,263.29

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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.