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Finding the Fourth Proportional to 26,493.17, 39,743.45 and 8,958.29

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Solution

The fourth proportional to 26,493.17, 39,743.45 and 8,958.29 is: 13,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,493.17 : 39,743.45 = 8,958.29 : x
  2. Step 2: Convert to fraction form
    26,493.17/39,743.45 = 8,958.29/x
  3. Step 3: Cross multiply
    26,493.17x = 39,743.45 × 8,958.29
  4. Step 4: Simplify right side
    26,493.17x = 356,033,305.91
  5. Step 5: Solve for x
    x = 356,033,305.91/26,493.17
  6. Step 6: Final answer
    x = 13,438.68

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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.