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Finding the Fourth Proportional to 26,694.12, 40,027.65 and 8,918.44

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Solution

The fourth proportional to 26,694.12, 40,027.65 and 8,918.44 is: 13,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,694.12 : 40,027.65 = 8,918.44 : x
  2. Step 2: Convert to fraction form
    26,694.12/40,027.65 = 8,918.44/x
  3. Step 3: Cross multiply
    26,694.12x = 40,027.65 × 8,918.44
  4. Step 4: Simplify right side
    26,694.12x = 356,984,194.87
  5. Step 5: Solve for x
    x = 356,984,194.87/26,694.12
  6. Step 6: Final answer
    x = 13,373.14

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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.