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Finding the Fourth Proportional to 8,791.94, 13,183.68 and 2,944.46

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Solution

The fourth proportional to 8,791.94, 13,183.68 and 2,944.46 is: 4,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.94 : 13,183.68 = 2,944.46 : x
  2. Step 2: Convert to fraction form
    8,791.94/13,183.68 = 2,944.46/x
  3. Step 3: Cross multiply
    8,791.94x = 13,183.68 × 2,944.46
  4. Step 4: Simplify right side
    8,791.94x = 38,818,818.41
  5. Step 5: Solve for x
    x = 38,818,818.41/8,791.94
  6. Step 6: Final answer
    x = 4,415.27

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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.