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Finding the Fourth Proportional to 19,059.86, 26,243.89 and 16,931.70

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Solution

The fourth proportional to 19,059.86, 26,243.89 and 16,931.70 is: 23,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.86 : 26,243.89 = 16,931.70 : x
  2. Step 2: Convert to fraction form
    19,059.86/26,243.89 = 16,931.70/x
  3. Step 3: Cross multiply
    19,059.86x = 26,243.89 × 16,931.70
  4. Step 4: Simplify right side
    19,059.86x = 444,353,672.31
  5. Step 5: Solve for x
    x = 444,353,672.31/19,059.86
  6. Step 6: Final answer
    x = 23,313.59

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