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Finding the Fourth Proportional to 2,993.39, 4,490.99 and 1,349.49

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Solution

The fourth proportional to 2,993.39, 4,490.99 and 1,349.49 is: 2,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.39 : 4,490.99 = 1,349.49 : x
  2. Step 2: Convert to fraction form
    2,993.39/4,490.99 = 1,349.49/x
  3. Step 3: Cross multiply
    2,993.39x = 4,490.99 × 1,349.49
  4. Step 4: Simplify right side
    2,993.39x = 6,060,546.10
  5. Step 5: Solve for x
    x = 6,060,546.10/2,993.39
  6. Step 6: Final answer
    x = 2,024.64

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1.5x scale

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.