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Finding the Fourth Proportional to 17,694.82, 26,548.60 and 8,923.13

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Solution

The fourth proportional to 17,694.82, 26,548.60 and 8,923.13 is: 13,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,694.82 : 26,548.60 = 8,923.13 : x
  2. Step 2: Convert to fraction form
    17,694.82/26,548.60 = 8,923.13/x
  3. Step 3: Cross multiply
    17,694.82x = 26,548.60 × 8,923.13
  4. Step 4: Simplify right side
    17,694.82x = 236,896,609.12
  5. Step 5: Solve for x
    x = 236,896,609.12/17,694.82
  6. Step 6: Final answer
    x = 13,387.91

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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.