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Finding the Fourth Proportional to 6,863.70, 9,464.83 and 5,872.26

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Solution

The fourth proportional to 6,863.70, 9,464.83 and 5,872.26 is: 8,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.70 : 9,464.83 = 5,872.26 : x
  2. Step 2: Convert to fraction form
    6,863.70/9,464.83 = 5,872.26/x
  3. Step 3: Cross multiply
    6,863.70x = 9,464.83 × 5,872.26
  4. Step 4: Simplify right side
    6,863.70x = 55,579,942.62
  5. Step 5: Solve for x
    x = 55,579,942.62/6,863.70
  6. Step 6: Final answer
    x = 8,097.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.