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Finding the Fourth Proportional to 58,711.63, 81,021.32 and 31,853.94

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Solution

The fourth proportional to 58,711.63, 81,021.32 and 31,853.94 is: 43,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,711.63 : 81,021.32 = 31,853.94 : x
  2. Step 2: Convert to fraction form
    58,711.63/81,021.32 = 31,853.94/x
  3. Step 3: Cross multiply
    58,711.63x = 81,021.32 × 31,853.94
  4. Step 4: Simplify right side
    58,711.63x = 2,580,848,266.00
  5. Step 5: Solve for x
    x = 2,580,848,266.00/58,711.63
  6. Step 6: Final answer
    x = 43,958.04

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