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Finding the Fourth Proportional to 8,212.73, 11,334.74 and 4,676.27

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Solution

The fourth proportional to 8,212.73, 11,334.74 and 4,676.27 is: 6,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.73 : 11,334.74 = 4,676.27 : x
  2. Step 2: Convert to fraction form
    8,212.73/11,334.74 = 4,676.27/x
  3. Step 3: Cross multiply
    8,212.73x = 11,334.74 × 4,676.27
  4. Step 4: Simplify right side
    8,212.73x = 53,004,224.56
  5. Step 5: Solve for x
    x = 53,004,224.56/8,212.73
  6. Step 6: Final answer
    x = 6,453.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.