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Finding the Fourth Proportional to 7,481.37, 11,223.11 and 2,551.81

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Solution

The fourth proportional to 7,481.37, 11,223.11 and 2,551.81 is: 3,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.37 : 11,223.11 = 2,551.81 : x
  2. Step 2: Convert to fraction form
    7,481.37/11,223.11 = 2,551.81/x
  3. Step 3: Cross multiply
    7,481.37x = 11,223.11 × 2,551.81
  4. Step 4: Simplify right side
    7,481.37x = 28,639,244.33
  5. Step 5: Solve for x
    x = 28,639,244.33/7,481.37
  6. Step 6: Final answer
    x = 3,828.07

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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.