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Finding the Fourth Proportional to 31,161.92, 46,741.29 and 11,438.96

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Solution

The fourth proportional to 31,161.92, 46,741.29 and 11,438.96 is: 17,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.92 : 46,741.29 = 11,438.96 : x
  2. Step 2: Convert to fraction form
    31,161.92/46,741.29 = 11,438.96/x
  3. Step 3: Cross multiply
    31,161.92x = 46,741.29 × 11,438.96
  4. Step 4: Simplify right side
    31,161.92x = 534,671,470.06
  5. Step 5: Solve for x
    x = 534,671,470.06/31,161.92
  6. Step 6: Final answer
    x = 17,157.85

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