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Finding the Fourth Proportional to 8,723.03, 13,082.21 and 3,791.49

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Solution

The fourth proportional to 8,723.03, 13,082.21 and 3,791.49 is: 5,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.03 : 13,082.21 = 3,791.49 : x
  2. Step 2: Convert to fraction form
    8,723.03/13,082.21 = 3,791.49/x
  3. Step 3: Cross multiply
    8,723.03x = 13,082.21 × 3,791.49
  4. Step 4: Simplify right side
    8,723.03x = 49,601,088.18
  5. Step 5: Solve for x
    x = 49,601,088.18/8,723.03
  6. Step 6: Final answer
    x = 5,686.23

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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.