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Finding the Fourth Proportional to 3,949.41, 5,920.01 and 1,608.41

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Solution

The fourth proportional to 3,949.41, 5,920.01 and 1,608.41 is: 2,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.41 : 5,920.01 = 1,608.41 : x
  2. Step 2: Convert to fraction form
    3,949.41/5,920.01 = 1,608.41/x
  3. Step 3: Cross multiply
    3,949.41x = 5,920.01 × 1,608.41
  4. Step 4: Simplify right side
    3,949.41x = 9,521,803.28
  5. Step 5: Solve for x
    x = 9,521,803.28/3,949.41
  6. Step 6: Final answer
    x = 2,410.94

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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.