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Finding the Fourth Proportional to 6,785.56, 9,363.96 and 3,801.37

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Solution

The fourth proportional to 6,785.56, 9,363.96 and 3,801.37 is: 5,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.56 : 9,363.96 = 3,801.37 : x
  2. Step 2: Convert to fraction form
    6,785.56/9,363.96 = 3,801.37/x
  3. Step 3: Cross multiply
    6,785.56x = 9,363.96 × 3,801.37
  4. Step 4: Simplify right side
    6,785.56x = 35,595,900.04
  5. Step 5: Solve for x
    x = 35,595,900.04/6,785.56
  6. Step 6: Final answer
    x = 5,245.83

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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.