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Finding the Fourth Proportional to 43,067.68, 64,599.68 and 13,484.86

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Solution

The fourth proportional to 43,067.68, 64,599.68 and 13,484.86 is: 20,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,067.68 : 64,599.68 = 13,484.86 : x
  2. Step 2: Convert to fraction form
    43,067.68/64,599.68 = 13,484.86/x
  3. Step 3: Cross multiply
    43,067.68x = 64,599.68 × 13,484.86
  4. Step 4: Simplify right side
    43,067.68x = 871,117,640.84
  5. Step 5: Solve for x
    x = 871,117,640.84/43,067.68
  6. Step 6: Final answer
    x = 20,226.71

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