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Finding the Fourth Proportional to 38,410.79, 57,623.13 and 11,756.30

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Solution

The fourth proportional to 38,410.79, 57,623.13 and 11,756.30 is: 17,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.79 : 57,623.13 = 11,756.30 : x
  2. Step 2: Convert to fraction form
    38,410.79/57,623.13 = 11,756.30/x
  3. Step 3: Cross multiply
    38,410.79x = 57,623.13 × 11,756.30
  4. Step 4: Simplify right side
    38,410.79x = 677,434,992.22
  5. Step 5: Solve for x
    x = 677,434,992.22/38,410.79
  6. Step 6: Final answer
    x = 17,636.58

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