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Finding the Fourth Proportional to 7,231.92, 10,832.94 and 6,355.56

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Solution

The fourth proportional to 7,231.92, 10,832.94 and 6,355.56 is: 9,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.92 : 10,832.94 = 6,355.56 : x
  2. Step 2: Convert to fraction form
    7,231.92/10,832.94 = 6,355.56/x
  3. Step 3: Cross multiply
    7,231.92x = 10,832.94 × 6,355.56
  4. Step 4: Simplify right side
    7,231.92x = 68,849,400.15
  5. Step 5: Solve for x
    x = 68,849,400.15/7,231.92
  6. Step 6: Final answer
    x = 9,520.21

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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.