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Finding the Fourth Proportional to 11,661.15, 16,092.81 and 6,626.22

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Solution

The fourth proportional to 11,661.15, 16,092.81 and 6,626.22 is: 9,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.15 : 16,092.81 = 6,626.22 : x
  2. Step 2: Convert to fraction form
    11,661.15/16,092.81 = 6,626.22/x
  3. Step 3: Cross multiply
    11,661.15x = 16,092.81 × 6,626.22
  4. Step 4: Simplify right side
    11,661.15x = 106,634,499.48
  5. Step 5: Solve for x
    x = 106,634,499.48/11,661.15
  6. Step 6: Final answer
    x = 9,144.42

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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.