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Finding the Fourth Proportional to 18,146.72, 27,221.52 and 5,000.16

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Solution

The fourth proportional to 18,146.72, 27,221.52 and 5,000.16 is: 7,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.72 : 27,221.52 = 5,000.16 : x
  2. Step 2: Convert to fraction form
    18,146.72/27,221.52 = 5,000.16/x
  3. Step 3: Cross multiply
    18,146.72x = 27,221.52 × 5,000.16
  4. Step 4: Simplify right side
    18,146.72x = 136,111,955.44
  5. Step 5: Solve for x
    x = 136,111,955.44/18,146.72
  6. Step 6: Final answer
    x = 7,500.64

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