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Finding the Fourth Proportional to 5,336.53, 7,364.41 and 2,978.67

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Solution

The fourth proportional to 5,336.53, 7,364.41 and 2,978.67 is: 4,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.53 : 7,364.41 = 2,978.67 : x
  2. Step 2: Convert to fraction form
    5,336.53/7,364.41 = 2,978.67/x
  3. Step 3: Cross multiply
    5,336.53x = 7,364.41 × 2,978.67
  4. Step 4: Simplify right side
    5,336.53x = 21,936,147.13
  5. Step 5: Solve for x
    x = 21,936,147.13/5,336.53
  6. Step 6: Final answer
    x = 4,110.56

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