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Finding the Fourth Proportional to 5,879.87, 8,819.74 and 1,497.28

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Solution

The fourth proportional to 5,879.87, 8,819.74 and 1,497.28 is: 2,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.87 : 8,819.74 = 1,497.28 : x
  2. Step 2: Convert to fraction form
    5,879.87/8,819.74 = 1,497.28/x
  3. Step 3: Cross multiply
    5,879.87x = 8,819.74 × 1,497.28
  4. Step 4: Simplify right side
    5,879.87x = 13,205,620.31
  5. Step 5: Solve for x
    x = 13,205,620.31/5,879.87
  6. Step 6: Final answer
    x = 2,245.90

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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.