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Finding the Fourth Proportional to 64,754.89, 89,360.39 and 36,074.51

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Solution

The fourth proportional to 64,754.89, 89,360.39 and 36,074.51 is: 49,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754.89 : 89,360.39 = 36,074.51 : x
  2. Step 2: Convert to fraction form
    64,754.89/89,360.39 = 36,074.51/x
  3. Step 3: Cross multiply
    64,754.89x = 89,360.39 × 36,074.51
  4. Step 4: Simplify right side
    64,754.89x = 3,223,632,102.29
  5. Step 5: Solve for x
    x = 3,223,632,102.29/64,754.89
  6. Step 6: Final answer
    x = 49,782.07

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