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Finding the Fourth Proportional to 54,598.70, 81,839.72 and 38,968.94

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Solution

The fourth proportional to 54,598.70, 81,839.72 and 38,968.94 is: 58,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.70 : 81,839.72 = 38,968.94 : x
  2. Step 2: Convert to fraction form
    54,598.70/81,839.72 = 38,968.94/x
  3. Step 3: Cross multiply
    54,598.70x = 81,839.72 × 38,968.94
  4. Step 4: Simplify right side
    54,598.70x = 3,189,206,534.25
  5. Step 5: Solve for x
    x = 3,189,206,534.25/54,598.70
  6. Step 6: Final answer
    x = 58,411.77

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