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Finding the Fourth Proportional to 38,822.33, 58,219.16 and 13,855.70

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Solution

The fourth proportional to 38,822.33, 58,219.16 and 13,855.70 is: 20,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.33 : 58,219.16 = 13,855.70 : x
  2. Step 2: Convert to fraction form
    38,822.33/58,219.16 = 13,855.70/x
  3. Step 3: Cross multiply
    38,822.33x = 58,219.16 × 13,855.70
  4. Step 4: Simplify right side
    38,822.33x = 806,666,854.84
  5. Step 5: Solve for x
    x = 806,666,854.84/38,822.33
  6. Step 6: Final answer
    x = 20,778.43

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