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Finding the Fourth Proportional to 37,181.63, 55,760.61 and 12,215.89

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Solution

The fourth proportional to 37,181.63, 55,760.61 and 12,215.89 is: 18,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,181.63 : 55,760.61 = 12,215.89 : x
  2. Step 2: Convert to fraction form
    37,181.63/55,760.61 = 12,215.89/x
  3. Step 3: Cross multiply
    37,181.63x = 55,760.61 × 12,215.89
  4. Step 4: Simplify right side
    37,181.63x = 681,165,478.09
  5. Step 5: Solve for x
    x = 681,165,478.09/37,181.63
  6. Step 6: Final answer
    x = 18,319.95

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