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Finding the Fourth Proportional to 17,487.61, 26,245.24 and 7,633.81

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Solution

The fourth proportional to 17,487.61, 26,245.24 and 7,633.81 is: 11,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.61 : 26,245.24 = 7,633.81 : x
  2. Step 2: Convert to fraction form
    17,487.61/26,245.24 = 7,633.81/x
  3. Step 3: Cross multiply
    17,487.61x = 26,245.24 × 7,633.81
  4. Step 4: Simplify right side
    17,487.61x = 200,351,175.56
  5. Step 5: Solve for x
    x = 200,351,175.56/17,487.61
  6. Step 6: Final answer
    x = 11,456.75

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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.