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Finding the Fourth Proportional to 17,911.98, 26,867.97 and 6,816.06

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Solution

The fourth proportional to 17,911.98, 26,867.97 and 6,816.06 is: 10,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.98 : 26,867.97 = 6,816.06 : x
  2. Step 2: Convert to fraction form
    17,911.98/26,867.97 = 6,816.06/x
  3. Step 3: Cross multiply
    17,911.98x = 26,867.97 × 6,816.06
  4. Step 4: Simplify right side
    17,911.98x = 183,133,695.60
  5. Step 5: Solve for x
    x = 183,133,695.60/17,911.98
  6. Step 6: Final answer
    x = 10,224.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.