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Finding the Fourth Proportional to 11,754.98, 17,609.91 and 7,299.44

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Solution

The fourth proportional to 11,754.98, 17,609.91 and 7,299.44 is: 10,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.98 : 17,609.91 = 7,299.44 : x
  2. Step 2: Convert to fraction form
    11,754.98/17,609.91 = 7,299.44/x
  3. Step 3: Cross multiply
    11,754.98x = 17,609.91 × 7,299.44
  4. Step 4: Simplify right side
    11,754.98x = 128,542,481.45
  5. Step 5: Solve for x
    x = 128,542,481.45/11,754.98
  6. Step 6: Final answer
    x = 10,935.15

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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.