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Finding the Fourth Proportional to 39,895.56, 59,841.18 and 12,193.56

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Solution

The fourth proportional to 39,895.56, 59,841.18 and 12,193.56 is: 18,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.56 : 59,841.18 = 12,193.56 : x
  2. Step 2: Convert to fraction form
    39,895.56/59,841.18 = 12,193.56/x
  3. Step 3: Cross multiply
    39,895.56x = 59,841.18 × 12,193.56
  4. Step 4: Simplify right side
    39,895.56x = 729,677,018.80
  5. Step 5: Solve for x
    x = 729,677,018.80/39,895.56
  6. Step 6: Final answer
    x = 18,289.68

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