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Finding the Fourth Proportional to 6,608.77, 9,913.79 and 2,393.09

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Solution

The fourth proportional to 6,608.77, 9,913.79 and 2,393.09 is: 3,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.77 : 9,913.79 = 2,393.09 : x
  2. Step 2: Convert to fraction form
    6,608.77/9,913.79 = 2,393.09/x
  3. Step 3: Cross multiply
    6,608.77x = 9,913.79 × 2,393.09
  4. Step 4: Simplify right side
    6,608.77x = 23,724,571.84
  5. Step 5: Solve for x
    x = 23,724,571.84/6,608.77
  6. Step 6: Final answer
    x = 3,589.86

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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.