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Finding the Fourth Proportional to 57,661.53, 79,578.62 and 34,998.74

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Solution

The fourth proportional to 57,661.53, 79,578.62 and 34,998.74 is: 48,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.53 : 79,578.62 = 34,998.74 : x
  2. Step 2: Convert to fraction form
    57,661.53/79,578.62 = 34,998.74/x
  3. Step 3: Cross multiply
    57,661.53x = 79,578.62 × 34,998.74
  4. Step 4: Simplify right side
    57,661.53x = 2,785,151,430.94
  5. Step 5: Solve for x
    x = 2,785,151,430.94/57,661.53
  6. Step 6: Final answer
    x = 48,301.73

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