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Finding the Fourth Proportional to 38,162.96, 57,254.13 and 11,867.90

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Solution

The fourth proportional to 38,162.96, 57,254.13 and 11,867.90 is: 17,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.96 : 57,254.13 = 11,867.90 : x
  2. Step 2: Convert to fraction form
    38,162.96/57,254.13 = 11,867.90/x
  3. Step 3: Cross multiply
    38,162.96x = 57,254.13 × 11,867.90
  4. Step 4: Simplify right side
    38,162.96x = 679,486,289.43
  5. Step 5: Solve for x
    x = 679,486,289.43/38,162.96
  6. Step 6: Final answer
    x = 17,804.86

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