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Finding the Fourth Proportional to 8,796.87, 12,138.26 and 5,441.92

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Solution

The fourth proportional to 8,796.87, 12,138.26 and 5,441.92 is: 7,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.87 : 12,138.26 = 5,441.92 : x
  2. Step 2: Convert to fraction form
    8,796.87/12,138.26 = 5,441.92/x
  3. Step 3: Cross multiply
    8,796.87x = 12,138.26 × 5,441.92
  4. Step 4: Simplify right side
    8,796.87x = 66,055,382.30
  5. Step 5: Solve for x
    x = 66,055,382.30/8,796.87
  6. Step 6: Final answer
    x = 7,508.96

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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.