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Finding the Fourth Proportional to 53,933.46, 80,936.64 and 18,873.42

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Solution

The fourth proportional to 53,933.46, 80,936.64 and 18,873.42 is: 28,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.46 : 80,936.64 = 18,873.42 : x
  2. Step 2: Convert to fraction form
    53,933.46/80,936.64 = 18,873.42/x
  3. Step 3: Cross multiply
    53,933.46x = 80,936.64 × 18,873.42
  4. Step 4: Simplify right side
    53,933.46x = 1,527,551,200.11
  5. Step 5: Solve for x
    x = 1,527,551,200.11/53,933.46
  6. Step 6: Final answer
    x = 28,322.89

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