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Finding the Fourth Proportional to 8,773.39, 13,163.73 and 3,840.49

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Solution

The fourth proportional to 8,773.39, 13,163.73 and 3,840.49 is: 5,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.39 : 13,163.73 = 3,840.49 : x
  2. Step 2: Convert to fraction form
    8,773.39/13,163.73 = 3,840.49/x
  3. Step 3: Cross multiply
    8,773.39x = 13,163.73 × 3,840.49
  4. Step 4: Simplify right side
    8,773.39x = 50,555,173.43
  5. Step 5: Solve for x
    x = 50,555,173.43/8,773.39
  6. Step 6: Final answer
    x = 5,762.33

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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.