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Finding the Fourth Proportional to 6,610.72, 9,122.10 and 3,626.56

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Solution

The fourth proportional to 6,610.72, 9,122.10 and 3,626.56 is: 5,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.72 : 9,122.10 = 3,626.56 : x
  2. Step 2: Convert to fraction form
    6,610.72/9,122.10 = 3,626.56/x
  3. Step 3: Cross multiply
    6,610.72x = 9,122.10 × 3,626.56
  4. Step 4: Simplify right side
    6,610.72x = 33,081,842.98
  5. Step 5: Solve for x
    x = 33,081,842.98/6,610.72
  6. Step 6: Final answer
    x = 5,004.27

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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.