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Finding the Fourth Proportional to 3,934.82, 5,903.13 and 1,337.75

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Solution

The fourth proportional to 3,934.82, 5,903.13 and 1,337.75 is: 2,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.82 : 5,903.13 = 1,337.75 : x
  2. Step 2: Convert to fraction form
    3,934.82/5,903.13 = 1,337.75/x
  3. Step 3: Cross multiply
    3,934.82x = 5,903.13 × 1,337.75
  4. Step 4: Simplify right side
    3,934.82x = 7,896,912.16
  5. Step 5: Solve for x
    x = 7,896,912.16/3,934.82
  6. Step 6: Final answer
    x = 2,006.93

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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.