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Finding the Fourth Proportional to 62,720.87, 86,553.35 and 34,040.58

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Solution

The fourth proportional to 62,720.87, 86,553.35 and 34,040.58 is: 46,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720.87 : 86,553.35 = 34,040.58 : x
  2. Step 2: Convert to fraction form
    62,720.87/86,553.35 = 34,040.58/x
  3. Step 3: Cross multiply
    62,720.87x = 86,553.35 × 34,040.58
  4. Step 4: Simplify right side
    62,720.87x = 2,946,325,867.82
  5. Step 5: Solve for x
    x = 2,946,325,867.82/62,720.87
  6. Step 6: Final answer
    x = 46,975.21

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