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Finding the Fourth Proportional to 17,480.70, 26,225.64 and 7,621.92

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Solution

The fourth proportional to 17,480.70, 26,225.64 and 7,621.92 is: 11,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.70 : 26,225.64 = 7,621.92 : x
  2. Step 2: Convert to fraction form
    17,480.70/26,225.64 = 7,621.92/x
  3. Step 3: Cross multiply
    17,480.70x = 26,225.64 × 7,621.92
  4. Step 4: Simplify right side
    17,480.70x = 199,889,730.03
  5. Step 5: Solve for x
    x = 199,889,730.03/17,480.70
  6. Step 6: Final answer
    x = 11,434.88

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