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Finding the Fourth Proportional to 49,449.52, 74,173.52 and 12,009.88

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Solution

The fourth proportional to 49,449.52, 74,173.52 and 12,009.88 is: 18,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.52 : 74,173.52 = 12,009.88 : x
  2. Step 2: Convert to fraction form
    49,449.52/74,173.52 = 12,009.88/x
  3. Step 3: Cross multiply
    49,449.52x = 74,173.52 × 12,009.88
  4. Step 4: Simplify right side
    49,449.52x = 890,815,074.38
  5. Step 5: Solve for x
    x = 890,815,074.38/49,449.52
  6. Step 6: Final answer
    x = 18,014.64

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