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Finding the Fourth Proportional to 6,336.78, 9,500.31 and 3,872.76

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Solution

The fourth proportional to 6,336.78, 9,500.31 and 3,872.76 is: 5,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.78 : 9,500.31 = 3,872.76 : x
  2. Step 2: Convert to fraction form
    6,336.78/9,500.31 = 3,872.76/x
  3. Step 3: Cross multiply
    6,336.78x = 9,500.31 × 3,872.76
  4. Step 4: Simplify right side
    6,336.78x = 36,792,420.56
  5. Step 5: Solve for x
    x = 36,792,420.56/6,336.78
  6. Step 6: Final answer
    x = 5,806.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.