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Finding the Fourth Proportional to 12,294.59, 18,437.94 and 3,972.83

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Solution

The fourth proportional to 12,294.59, 18,437.94 and 3,972.83 is: 5,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.59 : 18,437.94 = 3,972.83 : x
  2. Step 2: Convert to fraction form
    12,294.59/18,437.94 = 3,972.83/x
  3. Step 3: Cross multiply
    12,294.59x = 18,437.94 × 3,972.83
  4. Step 4: Simplify right side
    12,294.59x = 73,250,708.98
  5. Step 5: Solve for x
    x = 73,250,708.98/12,294.59
  6. Step 6: Final answer
    x = 5,957.97

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