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Finding the Fourth Proportional to 6,819.66, 10,226.97 and 5,361.66

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Solution

The fourth proportional to 6,819.66, 10,226.97 and 5,361.66 is: 8,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.66 : 10,226.97 = 5,361.66 : x
  2. Step 2: Convert to fraction form
    6,819.66/10,226.97 = 5,361.66/x
  3. Step 3: Cross multiply
    6,819.66x = 10,226.97 × 5,361.66
  4. Step 4: Simplify right side
    6,819.66x = 54,833,535.97
  5. Step 5: Solve for x
    x = 54,833,535.97/6,819.66
  6. Step 6: Final answer
    x = 8,040.51

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1.5x scale

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.