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Finding the Fourth Proportional to 1,879.39, 2,593.92 and 1,093.56

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Solution

The fourth proportional to 1,879.39, 2,593.92 and 1,093.56 is: 1,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.39 : 2,593.92 = 1,093.56 : x
  2. Step 2: Convert to fraction form
    1,879.39/2,593.92 = 1,093.56/x
  3. Step 3: Cross multiply
    1,879.39x = 2,593.92 × 1,093.56
  4. Step 4: Simplify right side
    1,879.39x = 2,836,607.16
  5. Step 5: Solve for x
    x = 2,836,607.16/1,879.39
  6. Step 6: Final answer
    x = 1,509.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.