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Finding the Fourth Proportional to 3,309.14, 4,938.03 and 2,958.62

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Solution

The fourth proportional to 3,309.14, 4,938.03 and 2,958.62 is: 4,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.14 : 4,938.03 = 2,958.62 : x
  2. Step 2: Convert to fraction form
    3,309.14/4,938.03 = 2,958.62/x
  3. Step 3: Cross multiply
    3,309.14x = 4,938.03 × 2,958.62
  4. Step 4: Simplify right side
    3,309.14x = 14,609,729.63
  5. Step 5: Solve for x
    x = 14,609,729.63/3,309.14
  6. Step 6: Final answer
    x = 4,414.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.