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Finding the Fourth Proportional to 4,863.05, 6,711.05 and 2,767.31

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Solution

The fourth proportional to 4,863.05, 6,711.05 and 2,767.31 is: 3,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.05 : 6,711.05 = 2,767.31 : x
  2. Step 2: Convert to fraction form
    4,863.05/6,711.05 = 2,767.31/x
  3. Step 3: Cross multiply
    4,863.05x = 6,711.05 × 2,767.31
  4. Step 4: Simplify right side
    4,863.05x = 18,571,555.78
  5. Step 5: Solve for x
    x = 18,571,555.78/4,863.05
  6. Step 6: Final answer
    x = 3,818.91

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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.