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Finding the Fourth Proportional to 5,879.18, 8,818.67 and 2,758.46

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Solution

The fourth proportional to 5,879.18, 8,818.67 and 2,758.46 is: 4,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.18 : 8,818.67 = 2,758.46 : x
  2. Step 2: Convert to fraction form
    5,879.18/8,818.67 = 2,758.46/x
  3. Step 3: Cross multiply
    5,879.18x = 8,818.67 × 2,758.46
  4. Step 4: Simplify right side
    5,879.18x = 24,325,911.25
  5. Step 5: Solve for x
    x = 24,325,911.25/5,879.18
  6. Step 6: Final answer
    x = 4,137.63

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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.