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Finding the Fourth Proportional to 17,198.91, 25,798.41 and 7,331.89

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Solution

The fourth proportional to 17,198.91, 25,798.41 and 7,331.89 is: 10,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.91 : 25,798.41 = 7,331.89 : x
  2. Step 2: Convert to fraction form
    17,198.91/25,798.41 = 7,331.89/x
  3. Step 3: Cross multiply
    17,198.91x = 25,798.41 × 7,331.89
  4. Step 4: Simplify right side
    17,198.91x = 189,151,104.29
  5. Step 5: Solve for x
    x = 189,151,104.29/17,198.91
  6. Step 6: Final answer
    x = 10,997.85

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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.