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Finding the Fourth Proportional to 17,864.94, 26,791.24 and 7,331.97

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Solution

The fourth proportional to 17,864.94, 26,791.24 and 7,331.97 is: 10,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.94 : 26,791.24 = 7,331.97 : x
  2. Step 2: Convert to fraction form
    17,864.94/26,791.24 = 7,331.97/x
  3. Step 3: Cross multiply
    17,864.94x = 26,791.24 × 7,331.97
  4. Step 4: Simplify right side
    17,864.94x = 196,432,567.94
  5. Step 5: Solve for x
    x = 196,432,567.94/17,864.94
  6. Step 6: Final answer
    x = 10,995.42

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1.5x scale

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.