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Finding the Fourth Proportional to 6,517.92, 8,992.37 and 4,281

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Solution

The fourth proportional to 6,517.92, 8,992.37 and 4,281 is: 5,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.92 : 8,992.37 = 4,281 : x
  2. Step 2: Convert to fraction form
    6,517.92/8,992.37 = 4,281/x
  3. Step 3: Cross multiply
    6,517.92x = 8,992.37 × 4,281
  4. Step 4: Simplify right side
    6,517.92x = 38,496,346.67
  5. Step 5: Solve for x
    x = 38,496,346.67/6,517.92
  6. Step 6: Final answer
    x = 5,906.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.