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Finding the Fourth Proportional to 61,069.56, 91,593.36 and 21,626.88

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Solution

The fourth proportional to 61,069.56, 91,593.36 and 21,626.88 is: 32,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,069.56 : 91,593.36 = 21,626.88 : x
  2. Step 2: Convert to fraction form
    61,069.56/91,593.36 = 21,626.88/x
  3. Step 3: Cross multiply
    61,069.56x = 91,593.36 × 21,626.88
  4. Step 4: Simplify right side
    61,069.56x = 1,980,878,605.52
  5. Step 5: Solve for x
    x = 1,980,878,605.52/61,069.56
  6. Step 6: Final answer
    x = 32,436.43

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