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Finding the Fourth Proportional to 17,393.67, 26,101.22 and 6,861.87

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Solution

The fourth proportional to 17,393.67, 26,101.22 and 6,861.87 is: 10,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.67 : 26,101.22 = 6,861.87 : x
  2. Step 2: Convert to fraction form
    17,393.67/26,101.22 = 6,861.87/x
  3. Step 3: Cross multiply
    17,393.67x = 26,101.22 × 6,861.87
  4. Step 4: Simplify right side
    17,393.67x = 179,103,144.17
  5. Step 5: Solve for x
    x = 179,103,144.17/17,393.67
  6. Step 6: Final answer
    x = 10,297.03

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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.