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Finding the Fourth Proportional to 11,286.88, 15,576.84 and 6,571.48

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Solution

The fourth proportional to 11,286.88, 15,576.84 and 6,571.48 is: 9,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.88 : 15,576.84 = 6,571.48 : x
  2. Step 2: Convert to fraction form
    11,286.88/15,576.84 = 6,571.48/x
  3. Step 3: Cross multiply
    11,286.88x = 15,576.84 × 6,571.48
  4. Step 4: Simplify right side
    11,286.88x = 102,362,892.52
  5. Step 5: Solve for x
    x = 102,362,892.52/11,286.88
  6. Step 6: Final answer
    x = 9,069.19

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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.