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Finding the Fourth Proportional to 5,879.93, 8,816.79 and 2,591.48

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Solution

The fourth proportional to 5,879.93, 8,816.79 and 2,591.48 is: 3,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.93 : 8,816.79 = 2,591.48 : x
  2. Step 2: Convert to fraction form
    5,879.93/8,816.79 = 2,591.48/x
  3. Step 3: Cross multiply
    5,879.93x = 8,816.79 × 2,591.48
  4. Step 4: Simplify right side
    5,879.93x = 22,848,534.95
  5. Step 5: Solve for x
    x = 22,848,534.95/5,879.93
  6. Step 6: Final answer
    x = 3,885.85

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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.