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Finding the Fourth Proportional to 51,090.36, 70,504.02 and 28,734.36

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Solution

The fourth proportional to 51,090.36, 70,504.02 and 28,734.36 is: 39,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.36 : 70,504.02 = 28,734.36 : x
  2. Step 2: Convert to fraction form
    51,090.36/70,504.02 = 28,734.36/x
  3. Step 3: Cross multiply
    51,090.36x = 70,504.02 × 28,734.36
  4. Step 4: Simplify right side
    51,090.36x = 2,025,887,892.13
  5. Step 5: Solve for x
    x = 2,025,887,892.13/51,090.36
  6. Step 6: Final answer
    x = 39,653.04

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