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Finding the Fourth Proportional to 3,270.76, 4,903.22 and 2,343.98

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Solution

The fourth proportional to 3,270.76, 4,903.22 and 2,343.98 is: 3,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.76 : 4,903.22 = 2,343.98 : x
  2. Step 2: Convert to fraction form
    3,270.76/4,903.22 = 2,343.98/x
  3. Step 3: Cross multiply
    3,270.76x = 4,903.22 × 2,343.98
  4. Step 4: Simplify right side
    3,270.76x = 11,493,049.62
  5. Step 5: Solve for x
    x = 11,493,049.62/3,270.76
  6. Step 6: Final answer
    x = 3,513.88

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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.