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Finding the Fourth Proportional to 17,893.62, 26,840.43 and 5,581.62

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Solution

The fourth proportional to 17,893.62, 26,840.43 and 5,581.62 is: 8,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.62 : 26,840.43 = 5,581.62 : x
  2. Step 2: Convert to fraction form
    17,893.62/26,840.43 = 5,581.62/x
  3. Step 3: Cross multiply
    17,893.62x = 26,840.43 × 5,581.62
  4. Step 4: Simplify right side
    17,893.62x = 149,813,005.41
  5. Step 5: Solve for x
    x = 149,813,005.41/17,893.62
  6. Step 6: Final answer
    x = 8,372.43

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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.