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Finding the Fourth Proportional to 7,396.31, 11,099.94 and 3,500.72

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Solution

The fourth proportional to 7,396.31, 11,099.94 and 3,500.72 is: 5,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.31 : 11,099.94 = 3,500.72 : x
  2. Step 2: Convert to fraction form
    7,396.31/11,099.94 = 3,500.72/x
  3. Step 3: Cross multiply
    7,396.31x = 11,099.94 × 3,500.72
  4. Step 4: Simplify right side
    7,396.31x = 38,857,754.95
  5. Step 5: Solve for x
    x = 38,857,754.95/7,396.31
  6. Step 6: Final answer
    x = 5,253.67

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