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Finding the Fourth Proportional to 7,163.79, 10,747.74 and 3,650.92

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Solution

The fourth proportional to 7,163.79, 10,747.74 and 3,650.92 is: 5,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.79 : 10,747.74 = 3,650.92 : x
  2. Step 2: Convert to fraction form
    7,163.79/10,747.74 = 3,650.92/x
  3. Step 3: Cross multiply
    7,163.79x = 10,747.74 × 3,650.92
  4. Step 4: Simplify right side
    7,163.79x = 39,239,165.66
  5. Step 5: Solve for x
    x = 39,239,165.66/7,163.79
  6. Step 6: Final answer
    x = 5,477.43

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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.