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Finding the Fourth Proportional to 2,796.57, 4,194.99 and 848.79

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Solution

The fourth proportional to 2,796.57, 4,194.99 and 848.79 is: 1,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.57 : 4,194.99 = 848.79 : x
  2. Step 2: Convert to fraction form
    2,796.57/4,194.99 = 848.79/x
  3. Step 3: Cross multiply
    2,796.57x = 4,194.99 × 848.79
  4. Step 4: Simplify right side
    2,796.57x = 3,560,665.56
  5. Step 5: Solve for x
    x = 3,560,665.56/2,796.57
  6. Step 6: Final answer
    x = 1,273.23

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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.