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Finding the Fourth Proportional to 16,774.71, 25,165.23 and 5,678.41

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Solution

The fourth proportional to 16,774.71, 25,165.23 and 5,678.41 is: 8,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.71 : 25,165.23 = 5,678.41 : x
  2. Step 2: Convert to fraction form
    16,774.71/25,165.23 = 5,678.41/x
  3. Step 3: Cross multiply
    16,774.71x = 25,165.23 × 5,678.41
  4. Step 4: Simplify right side
    16,774.71x = 142,898,493.68
  5. Step 5: Solve for x
    x = 142,898,493.68/16,774.71
  6. Step 6: Final answer
    x = 8,518.69

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