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Finding the Fourth Proportional to 3,347.14, 5,019.01 and 1,960.91

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Solution

The fourth proportional to 3,347.14, 5,019.01 and 1,960.91 is: 2,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.14 : 5,019.01 = 1,960.91 : x
  2. Step 2: Convert to fraction form
    3,347.14/5,019.01 = 1,960.91/x
  3. Step 3: Cross multiply
    3,347.14x = 5,019.01 × 1,960.91
  4. Step 4: Simplify right side
    3,347.14x = 9,841,826.90
  5. Step 5: Solve for x
    x = 9,841,826.90/3,347.14
  6. Step 6: Final answer
    x = 2,940.37

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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.