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Finding the Fourth Proportional to 6,778.07, 9,353.28 and 3,793.87

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Solution

The fourth proportional to 6,778.07, 9,353.28 and 3,793.87 is: 5,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.07 : 9,353.28 = 3,793.87 : x
  2. Step 2: Convert to fraction form
    6,778.07/9,353.28 = 3,793.87/x
  3. Step 3: Cross multiply
    6,778.07x = 9,353.28 × 3,793.87
  4. Step 4: Simplify right side
    6,778.07x = 35,485,128.39
  5. Step 5: Solve for x
    x = 35,485,128.39/6,778.07
  6. Step 6: Final answer
    x = 5,235.29

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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.