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Finding the Fourth Proportional to 7,474.52, 11,200.36 and 3,766.40

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Solution

The fourth proportional to 7,474.52, 11,200.36 and 3,766.40 is: 5,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.52 : 11,200.36 = 3,766.40 : x
  2. Step 2: Convert to fraction form
    7,474.52/11,200.36 = 3,766.40/x
  3. Step 3: Cross multiply
    7,474.52x = 11,200.36 × 3,766.40
  4. Step 4: Simplify right side
    7,474.52x = 42,185,035.90
  5. Step 5: Solve for x
    x = 42,185,035.90/7,474.52
  6. Step 6: Final answer
    x = 5,643.85

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