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Finding the Fourth Proportional to 2,993, 4,490.22 and 941

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Solution

The fourth proportional to 2,993, 4,490.22 and 941 is: 1,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993 : 4,490.22 = 941 : x
  2. Step 2: Convert to fraction form
    2,993/4,490.22 = 941/x
  3. Step 3: Cross multiply
    2,993x = 4,490.22 × 941
  4. Step 4: Simplify right side
    2,993x = 4,225,297.02
  5. Step 5: Solve for x
    x = 4,225,297.02/2,993
  6. Step 6: Final answer
    x = 1,411.73

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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.