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Finding the Fourth Proportional to 5,865.81, 8,793.24 and 2,940.69

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Solution

The fourth proportional to 5,865.81, 8,793.24 and 2,940.69 is: 4,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.81 : 8,793.24 = 2,940.69 : x
  2. Step 2: Convert to fraction form
    5,865.81/8,793.24 = 2,940.69/x
  3. Step 3: Cross multiply
    5,865.81x = 8,793.24 × 2,940.69
  4. Step 4: Simplify right side
    5,865.81x = 25,858,192.94
  5. Step 5: Solve for x
    x = 25,858,192.94/5,865.81
  6. Step 6: Final answer
    x = 4,408.29

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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.