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Finding the Fourth Proportional to 17,723.67, 26,581.86 and 8,359.67

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Solution

The fourth proportional to 17,723.67, 26,581.86 and 8,359.67 is: 12,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,723.67 : 26,581.86 = 8,359.67 : x
  2. Step 2: Convert to fraction form
    17,723.67/26,581.86 = 8,359.67/x
  3. Step 3: Cross multiply
    17,723.67x = 26,581.86 × 8,359.67
  4. Step 4: Simplify right side
    17,723.67x = 222,215,444.68
  5. Step 5: Solve for x
    x = 222,215,444.68/17,723.67
  6. Step 6: Final answer
    x = 12,537.78

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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.