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Finding the Fourth Proportional to 11,077.62, 15,302.07 and 8,855.07

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Solution

The fourth proportional to 11,077.62, 15,302.07 and 8,855.07 is: 12,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.62 : 15,302.07 = 8,855.07 : x
  2. Step 2: Convert to fraction form
    11,077.62/15,302.07 = 8,855.07/x
  3. Step 3: Cross multiply
    11,077.62x = 15,302.07 × 8,855.07
  4. Step 4: Simplify right side
    11,077.62x = 135,500,900.99
  5. Step 5: Solve for x
    x = 135,500,900.99/11,077.62
  6. Step 6: Final answer
    x = 12,231.95

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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.