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Finding the Fourth Proportional to 31,859.16, 47,765.99 and 14,982.72

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Solution

The fourth proportional to 31,859.16, 47,765.99 and 14,982.72 is: 22,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.16 : 47,765.99 = 14,982.72 : x
  2. Step 2: Convert to fraction form
    31,859.16/47,765.99 = 14,982.72/x
  3. Step 3: Cross multiply
    31,859.16x = 47,765.99 × 14,982.72
  4. Step 4: Simplify right side
    31,859.16x = 715,664,378.78
  5. Step 5: Solve for x
    x = 715,664,378.78/31,859.16
  6. Step 6: Final answer
    x = 22,463.38

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