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Finding the Fourth Proportional to 5,879.26, 8,819.10 and 1,930.61

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Solution

The fourth proportional to 5,879.26, 8,819.10 and 1,930.61 is: 2,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.26 : 8,819.10 = 1,930.61 : x
  2. Step 2: Convert to fraction form
    5,879.26/8,819.10 = 1,930.61/x
  3. Step 3: Cross multiply
    5,879.26x = 8,819.10 × 1,930.61
  4. Step 4: Simplify right side
    5,879.26x = 17,026,242.65
  5. Step 5: Solve for x
    x = 17,026,242.65/5,879.26
  6. Step 6: Final answer
    x = 2,895.98

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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.