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Finding the Fourth Proportional to 6,873.68, 10,311.06 and 3,409.04

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Solution

The fourth proportional to 6,873.68, 10,311.06 and 3,409.04 is: 5,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.68 : 10,311.06 = 3,409.04 : x
  2. Step 2: Convert to fraction form
    6,873.68/10,311.06 = 3,409.04/x
  3. Step 3: Cross multiply
    6,873.68x = 10,311.06 × 3,409.04
  4. Step 4: Simplify right side
    6,873.68x = 35,150,815.98
  5. Step 5: Solve for x
    x = 35,150,815.98/6,873.68
  6. Step 6: Final answer
    x = 5,113.83

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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.