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Finding the Fourth Proportional to 13,344.73, 20,003.18 and 5,019.01

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Solution

The fourth proportional to 13,344.73, 20,003.18 and 5,019.01 is: 7,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.73 : 20,003.18 = 5,019.01 : x
  2. Step 2: Convert to fraction form
    13,344.73/20,003.18 = 5,019.01/x
  3. Step 3: Cross multiply
    13,344.73x = 20,003.18 × 5,019.01
  4. Step 4: Simplify right side
    13,344.73x = 100,396,035.34
  5. Step 5: Solve for x
    x = 100,396,035.34/13,344.73
  6. Step 6: Final answer
    x = 7,523.27

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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.