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Finding the Fourth Proportional to 2,993.45, 4,490.67 and 1,349.96

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Solution

The fourth proportional to 2,993.45, 4,490.67 and 1,349.96 is: 2,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.45 : 4,490.67 = 1,349.96 : x
  2. Step 2: Convert to fraction form
    2,993.45/4,490.67 = 1,349.96/x
  3. Step 3: Cross multiply
    2,993.45x = 4,490.67 × 1,349.96
  4. Step 4: Simplify right side
    2,993.45x = 6,062,202.42
  5. Step 5: Solve for x
    x = 6,062,202.42/2,993.45
  6. Step 6: Final answer
    x = 2,025.16

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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.