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Finding the Fourth Proportional to 5,481.87, 8,224.87 and 3,292.17

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Solution

The fourth proportional to 5,481.87, 8,224.87 and 3,292.17 is: 4,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.87 : 8,224.87 = 3,292.17 : x
  2. Step 2: Convert to fraction form
    5,481.87/8,224.87 = 3,292.17/x
  3. Step 3: Cross multiply
    5,481.87x = 8,224.87 × 3,292.17
  4. Step 4: Simplify right side
    5,481.87x = 27,077,670.27
  5. Step 5: Solve for x
    x = 27,077,670.27/5,481.87
  6. Step 6: Final answer
    x = 4,939.50

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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.