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Finding the Fourth Proportional to 53,896.79, 74,379.87 and 30,023.48

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Solution

The fourth proportional to 53,896.79, 74,379.87 and 30,023.48 is: 41,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.79 : 74,379.87 = 30,023.48 : x
  2. Step 2: Convert to fraction form
    53,896.79/74,379.87 = 30,023.48/x
  3. Step 3: Cross multiply
    53,896.79x = 74,379.87 × 30,023.48
  4. Step 4: Simplify right side
    53,896.79x = 2,233,142,539.35
  5. Step 5: Solve for x
    x = 2,233,142,539.35/53,896.79
  6. Step 6: Final answer
    x = 41,433.68

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