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Finding the Fourth Proportional to 7,163.99, 10,743.90 and 3,003.89

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Solution

The fourth proportional to 7,163.99, 10,743.90 and 3,003.89 is: 4,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.99 : 10,743.90 = 3,003.89 : x
  2. Step 2: Convert to fraction form
    7,163.99/10,743.90 = 3,003.89/x
  3. Step 3: Cross multiply
    7,163.99x = 10,743.90 × 3,003.89
  4. Step 4: Simplify right side
    7,163.99x = 32,273,493.77
  5. Step 5: Solve for x
    x = 32,273,493.77/7,163.99
  6. Step 6: Final answer
    x = 4,504.96

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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.