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Finding the Fourth Proportional to 40,992.78, 61,477.02 and 17,613.75

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Solution

The fourth proportional to 40,992.78, 61,477.02 and 17,613.75 is: 26,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.78 : 61,477.02 = 17,613.75 : x
  2. Step 2: Convert to fraction form
    40,992.78/61,477.02 = 17,613.75/x
  3. Step 3: Cross multiply
    40,992.78x = 61,477.02 × 17,613.75
  4. Step 4: Simplify right side
    40,992.78x = 1,082,840,861.03
  5. Step 5: Solve for x
    x = 1,082,840,861.03/40,992.78
  6. Step 6: Final answer
    x = 26,415.40

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