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Finding the Fourth Proportional to 33,809.76, 50,823.84 and 31,374.72

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Solution

The fourth proportional to 33,809.76, 50,823.84 and 31,374.72 is: 47,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.76 : 50,823.84 = 31,374.72 : x
  2. Step 2: Convert to fraction form
    33,809.76/50,823.84 = 31,374.72/x
  3. Step 3: Cross multiply
    33,809.76x = 50,823.84 × 31,374.72
  4. Step 4: Simplify right side
    33,809.76x = 1,594,583,749.32
  5. Step 5: Solve for x
    x = 1,594,583,749.32/33,809.76
  6. Step 6: Final answer
    x = 47,163.42

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