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Finding the Fourth Proportional to 18,019.27, 27,025.15 and 4,868.56

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Solution

The fourth proportional to 18,019.27, 27,025.15 and 4,868.56 is: 7,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.27 : 27,025.15 = 4,868.56 : x
  2. Step 2: Convert to fraction form
    18,019.27/27,025.15 = 4,868.56/x
  3. Step 3: Cross multiply
    18,019.27x = 27,025.15 × 4,868.56
  4. Step 4: Simplify right side
    18,019.27x = 131,573,564.28
  5. Step 5: Solve for x
    x = 131,573,564.28/18,019.27
  6. Step 6: Final answer
    x = 7,301.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.