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Finding the Fourth Proportional to 1,593.78, 2,179.86 and 1,568.26

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Solution

The fourth proportional to 1,593.78, 2,179.86 and 1,568.26 is: 2,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.78 : 2,179.86 = 1,568.26 : x
  2. Step 2: Convert to fraction form
    1,593.78/2,179.86 = 1,568.26/x
  3. Step 3: Cross multiply
    1,593.78x = 2,179.86 × 1,568.26
  4. Step 4: Simplify right side
    1,593.78x = 3,418,592.91
  5. Step 5: Solve for x
    x = 3,418,592.91/1,593.78
  6. Step 6: Final answer
    x = 2,144.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.