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Finding the Fourth Proportional to 7,488.52, 11,233.42 and 1,941.78

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Solution

The fourth proportional to 7,488.52, 11,233.42 and 1,941.78 is: 2,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.52 : 11,233.42 = 1,941.78 : x
  2. Step 2: Convert to fraction form
    7,488.52/11,233.42 = 1,941.78/x
  3. Step 3: Cross multiply
    7,488.52x = 11,233.42 × 1,941.78
  4. Step 4: Simplify right side
    7,488.52x = 21,812,830.29
  5. Step 5: Solve for x
    x = 21,812,830.29/7,488.52
  6. Step 6: Final answer
    x = 2,912.84

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