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Finding the Fourth Proportional to 27,811.60, 41,663.64 and 15,462.16

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Solution

The fourth proportional to 27,811.60, 41,663.64 and 15,462.16 is: 23,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.60 : 41,663.64 = 15,462.16 : x
  2. Step 2: Convert to fraction form
    27,811.60/41,663.64 = 15,462.16/x
  3. Step 3: Cross multiply
    27,811.60x = 41,663.64 × 15,462.16
  4. Step 4: Simplify right side
    27,811.60x = 644,209,867.86
  5. Step 5: Solve for x
    x = 644,209,867.86/27,811.60
  6. Step 6: Final answer
    x = 23,163.35

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