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Finding the Fourth Proportional to 54,578.79, 75,338.64 and 34,448.81

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Solution

The fourth proportional to 54,578.79, 75,338.64 and 34,448.81 is: 47,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.79 : 75,338.64 = 34,448.81 : x
  2. Step 2: Convert to fraction form
    54,578.79/75,338.64 = 34,448.81/x
  3. Step 3: Cross multiply
    54,578.79x = 75,338.64 × 34,448.81
  4. Step 4: Simplify right side
    54,578.79x = 2,595,326,118.33
  5. Step 5: Solve for x
    x = 2,595,326,118.33/54,578.79
  6. Step 6: Final answer
    x = 47,551.92

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