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Finding the Fourth Proportional to 54,873.70, 75,724.62 and 30,674.54

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Solution

The fourth proportional to 54,873.70, 75,724.62 and 30,674.54 is: 42,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,873.70 : 75,724.62 = 30,674.54 : x
  2. Step 2: Convert to fraction form
    54,873.70/75,724.62 = 30,674.54/x
  3. Step 3: Cross multiply
    54,873.70x = 75,724.62 × 30,674.54
  4. Step 4: Simplify right side
    54,873.70x = 2,322,817,885.17
  5. Step 5: Solve for x
    x = 2,322,817,885.17/54,873.70
  6. Step 6: Final answer
    x = 42,330.26

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