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Finding the Fourth Proportional to 5,918.54, 8,879.83 and 2,633.92

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Solution

The fourth proportional to 5,918.54, 8,879.83 and 2,633.92 is: 3,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.54 : 8,879.83 = 2,633.92 : x
  2. Step 2: Convert to fraction form
    5,918.54/8,879.83 = 2,633.92/x
  3. Step 3: Cross multiply
    5,918.54x = 8,879.83 × 2,633.92
  4. Step 4: Simplify right side
    5,918.54x = 23,388,733.05
  5. Step 5: Solve for x
    x = 23,388,733.05/5,918.54
  6. Step 6: Final answer
    x = 3,951.78

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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.