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Finding the Fourth Proportional to 3,163.33, 4,744.99 and 1,873

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Solution

The fourth proportional to 3,163.33, 4,744.99 and 1,873 is: 2,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.33 : 4,744.99 = 1,873 : x
  2. Step 2: Convert to fraction form
    3,163.33/4,744.99 = 1,873/x
  3. Step 3: Cross multiply
    3,163.33x = 4,744.99 × 1,873
  4. Step 4: Simplify right side
    3,163.33x = 8,887,366.27
  5. Step 5: Solve for x
    x = 8,887,366.27/3,163.33
  6. Step 6: Final answer
    x = 2,809.50

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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.