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Finding the Fourth Proportional to 6,337.07, 8,745.15 and 3,819.21

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Solution

The fourth proportional to 6,337.07, 8,745.15 and 3,819.21 is: 5,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.07 : 8,745.15 = 3,819.21 : x
  2. Step 2: Convert to fraction form
    6,337.07/8,745.15 = 3,819.21/x
  3. Step 3: Cross multiply
    6,337.07x = 8,745.15 × 3,819.21
  4. Step 4: Simplify right side
    6,337.07x = 33,399,545.24
  5. Step 5: Solve for x
    x = 33,399,545.24/6,337.07
  6. Step 6: Final answer
    x = 5,270.51

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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.