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Finding the Fourth Proportional to 53,988.96, 80,992.94 and 18,441.92

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Solution

The fourth proportional to 53,988.96, 80,992.94 and 18,441.92 is: 27,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.96 : 80,992.94 = 18,441.92 : x
  2. Step 2: Convert to fraction form
    53,988.96/80,992.94 = 18,441.92/x
  3. Step 3: Cross multiply
    53,988.96x = 80,992.94 × 18,441.92
  4. Step 4: Simplify right side
    53,988.96x = 1,493,665,320.04
  5. Step 5: Solve for x
    x = 1,493,665,320.04/53,988.96
  6. Step 6: Final answer
    x = 27,666.13

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