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Finding the Fourth Proportional to 18,010.31, 27,016.77 and 6,917.00

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Solution

The fourth proportional to 18,010.31, 27,016.77 and 6,917.00 is: 10,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.31 : 27,016.77 = 6,917.00 : x
  2. Step 2: Convert to fraction form
    18,010.31/27,016.77 = 6,917.00/x
  3. Step 3: Cross multiply
    18,010.31x = 27,016.77 × 6,917.00
  4. Step 4: Simplify right side
    18,010.31x = 186,875,022.62
  5. Step 5: Solve for x
    x = 186,875,022.62/18,010.31
  6. Step 6: Final answer
    x = 10,376.00

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Why These Related Problems?

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