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Finding the Fourth Proportional to 55,957.79, 83,869.92 and 38,998.97

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Solution

The fourth proportional to 55,957.79, 83,869.92 and 38,998.97 is: 58,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,957.79 : 83,869.92 = 38,998.97 : x
  2. Step 2: Convert to fraction form
    55,957.79/83,869.92 = 38,998.97/x
  3. Step 3: Cross multiply
    55,957.79x = 83,869.92 × 38,998.97
  4. Step 4: Simplify right side
    55,957.79x = 3,270,840,493.98
  5. Step 5: Solve for x
    x = 3,270,840,493.98/55,957.79
  6. Step 6: Final answer
    x = 58,451.92

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