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Finding the Fourth Proportional to 39,057.02, 53,898.42 and 21,151.62

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Solution

The fourth proportional to 39,057.02, 53,898.42 and 21,151.62 is: 29,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,057.02 : 53,898.42 = 21,151.62 : x
  2. Step 2: Convert to fraction form
    39,057.02/53,898.42 = 21,151.62/x
  3. Step 3: Cross multiply
    39,057.02x = 53,898.42 × 21,151.62
  4. Step 4: Simplify right side
    39,057.02x = 1,140,038,898.44
  5. Step 5: Solve for x
    x = 1,140,038,898.44/39,057.02
  6. Step 6: Final answer
    x = 29,189.09

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