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Finding the Fourth Proportional to 39,462.83, 54,459.87 and 21,558.13

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Solution

The fourth proportional to 39,462.83, 54,459.87 and 21,558.13 is: 29,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.83 : 54,459.87 = 21,558.13 : x
  2. Step 2: Convert to fraction form
    39,462.83/54,459.87 = 21,558.13/x
  3. Step 3: Cross multiply
    39,462.83x = 54,459.87 × 21,558.13
  4. Step 4: Simplify right side
    39,462.83x = 1,174,052,957.24
  5. Step 5: Solve for x
    x = 1,174,052,957.24/39,462.83
  6. Step 6: Final answer
    x = 29,750.86

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