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Finding the Fourth Proportional to 38,499.84, 57,751.83 and 12,206.64

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Solution

The fourth proportional to 38,499.84, 57,751.83 and 12,206.64 is: 18,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499.84 : 57,751.83 = 12,206.64 : x
  2. Step 2: Convert to fraction form
    38,499.84/57,751.83 = 12,206.64/x
  3. Step 3: Cross multiply
    38,499.84x = 57,751.83 × 12,206.64
  4. Step 4: Simplify right side
    38,499.84x = 704,955,798.15
  5. Step 5: Solve for x
    x = 704,955,798.15/38,499.84
  6. Step 6: Final answer
    x = 18,310.62

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