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Finding the Fourth Proportional to 56,391.97, 84,589.32 and 18,952.57

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Solution

The fourth proportional to 56,391.97, 84,589.32 and 18,952.57 is: 28,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,391.97 : 84,589.32 = 18,952.57 : x
  2. Step 2: Convert to fraction form
    56,391.97/84,589.32 = 18,952.57/x
  3. Step 3: Cross multiply
    56,391.97x = 84,589.32 × 18,952.57
  4. Step 4: Simplify right side
    56,391.97x = 1,603,185,008.55
  5. Step 5: Solve for x
    x = 1,603,185,008.55/56,391.97
  6. Step 6: Final answer
    x = 28,429.31

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