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Finding the Fourth Proportional to 5,879.16, 8,821.02 and 2,589.93

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Solution

The fourth proportional to 5,879.16, 8,821.02 and 2,589.93 is: 3,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.16 : 8,821.02 = 2,589.93 : x
  2. Step 2: Convert to fraction form
    5,879.16/8,821.02 = 2,589.93/x
  3. Step 3: Cross multiply
    5,879.16x = 8,821.02 × 2,589.93
  4. Step 4: Simplify right side
    5,879.16x = 22,845,824.33
  5. Step 5: Solve for x
    x = 22,845,824.33/5,879.16
  6. Step 6: Final answer
    x = 3,885.90

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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.