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Finding the Fourth Proportional to 26,993.97, 40,491.20 and 10,350.05

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Solution

The fourth proportional to 26,993.97, 40,491.20 and 10,350.05 is: 15,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.97 : 40,491.20 = 10,350.05 : x
  2. Step 2: Convert to fraction form
    26,993.97/40,491.20 = 10,350.05/x
  3. Step 3: Cross multiply
    26,993.97x = 40,491.20 × 10,350.05
  4. Step 4: Simplify right side
    26,993.97x = 419,085,767.98
  5. Step 5: Solve for x
    x = 419,085,767.98/26,993.97
  6. Step 6: Final answer
    x = 15,525.16

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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.