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Finding the Fourth Proportional to 31,523.56, 43,502.80 and 17,376.91

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Solution

The fourth proportional to 31,523.56, 43,502.80 and 17,376.91 is: 23,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.56 : 43,502.80 = 17,376.91 : x
  2. Step 2: Convert to fraction form
    31,523.56/43,502.80 = 17,376.91/x
  3. Step 3: Cross multiply
    31,523.56x = 43,502.80 × 17,376.91
  4. Step 4: Simplify right side
    31,523.56x = 755,944,240.35
  5. Step 5: Solve for x
    x = 755,944,240.35/31,523.56
  6. Step 6: Final answer
    x = 23,980.29

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