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Finding the Fourth Proportional to 6,885.35, 10,311.61 and 3,760.69

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Solution

The fourth proportional to 6,885.35, 10,311.61 and 3,760.69 is: 5,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.35 : 10,311.61 = 3,760.69 : x
  2. Step 2: Convert to fraction form
    6,885.35/10,311.61 = 3,760.69/x
  3. Step 3: Cross multiply
    6,885.35x = 10,311.61 × 3,760.69
  4. Step 4: Simplify right side
    6,885.35x = 38,778,698.25
  5. Step 5: Solve for x
    x = 38,778,698.25/6,885.35
  6. Step 6: Final answer
    x = 5,632.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.