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Finding the Fourth Proportional to 5,879.28, 8,824.68 and 2,803.44

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Solution

The fourth proportional to 5,879.28, 8,824.68 and 2,803.44 is: 4,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.28 : 8,824.68 = 2,803.44 : x
  2. Step 2: Convert to fraction form
    5,879.28/8,824.68 = 2,803.44/x
  3. Step 3: Cross multiply
    5,879.28x = 8,824.68 × 2,803.44
  4. Step 4: Simplify right side
    5,879.28x = 24,739,460.90
  5. Step 5: Solve for x
    x = 24,739,460.90/5,879.28
  6. Step 6: Final answer
    x = 4,207.91

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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.