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Finding the Fourth Proportional to 11,097.81, 16,652.79 and 4,772.16

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Solution

The fourth proportional to 11,097.81, 16,652.79 and 4,772.16 is: 7,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.81 : 16,652.79 = 4,772.16 : x
  2. Step 2: Convert to fraction form
    11,097.81/16,652.79 = 4,772.16/x
  3. Step 3: Cross multiply
    11,097.81x = 16,652.79 × 4,772.16
  4. Step 4: Simplify right side
    11,097.81x = 79,469,778.33
  5. Step 5: Solve for x
    x = 79,469,778.33/11,097.81
  6. Step 6: Final answer
    x = 7,160.85

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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.