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Finding the Fourth Proportional to 3,808.32, 5,697.19 and 3,293.87

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Solution

The fourth proportional to 3,808.32, 5,697.19 and 3,293.87 is: 4,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.32 : 5,697.19 = 3,293.87 : x
  2. Step 2: Convert to fraction form
    3,808.32/5,697.19 = 3,293.87/x
  3. Step 3: Cross multiply
    3,808.32x = 5,697.19 × 3,293.87
  4. Step 4: Simplify right side
    3,808.32x = 18,765,760.33
  5. Step 5: Solve for x
    x = 18,765,760.33/3,808.32
  6. Step 6: Final answer
    x = 4,927.57

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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.