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Finding the Fourth Proportional to 16,984.22, 25,479.97 and 7,117.81

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Solution

The fourth proportional to 16,984.22, 25,479.97 and 7,117.81 is: 10,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.22 : 25,479.97 = 7,117.81 : x
  2. Step 2: Convert to fraction form
    16,984.22/25,479.97 = 7,117.81/x
  3. Step 3: Cross multiply
    16,984.22x = 25,479.97 × 7,117.81
  4. Step 4: Simplify right side
    16,984.22x = 181,361,503.77
  5. Step 5: Solve for x
    x = 181,361,503.77/16,984.22
  6. Step 6: Final answer
    x = 10,678.24

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