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Finding the Fourth Proportional to 58,379.49, 87,561.03 and 18,936.96

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Solution

The fourth proportional to 58,379.49, 87,561.03 and 18,936.96 is: 28,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.49 : 87,561.03 = 18,936.96 : x
  2. Step 2: Convert to fraction form
    58,379.49/87,561.03 = 18,936.96/x
  3. Step 3: Cross multiply
    58,379.49x = 87,561.03 × 18,936.96
  4. Step 4: Simplify right side
    58,379.49x = 1,658,139,722.67
  5. Step 5: Solve for x
    x = 1,658,139,722.67/58,379.49
  6. Step 6: Final answer
    x = 28,402.78

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