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Finding the Fourth Proportional to 3,163.84, 4,366.22 and 1,747.60

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Solution

The fourth proportional to 3,163.84, 4,366.22 and 1,747.60 is: 2,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.84 : 4,366.22 = 1,747.60 : x
  2. Step 2: Convert to fraction form
    3,163.84/4,366.22 = 1,747.60/x
  3. Step 3: Cross multiply
    3,163.84x = 4,366.22 × 1,747.60
  4. Step 4: Simplify right side
    3,163.84x = 7,630,410.44
  5. Step 5: Solve for x
    x = 7,630,410.44/3,163.84
  6. Step 6: Final answer
    x = 2,411.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.