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Finding the Fourth Proportional to 18,025.48, 27,036.09 and 5,545.48

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Solution

The fourth proportional to 18,025.48, 27,036.09 and 5,545.48 is: 8,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.48 : 27,036.09 = 5,545.48 : x
  2. Step 2: Convert to fraction form
    18,025.48/27,036.09 = 5,545.48/x
  3. Step 3: Cross multiply
    18,025.48x = 27,036.09 × 5,545.48
  4. Step 4: Simplify right side
    18,025.48x = 149,928,096.37
  5. Step 5: Solve for x
    x = 149,928,096.37/18,025.48
  6. Step 6: Final answer
    x = 8,317.56

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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.