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Finding the Fourth Proportional to 2,993.37, 4,490.05 and 2,989.04

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Solution

The fourth proportional to 2,993.37, 4,490.05 and 2,989.04 is: 4,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.37 : 4,490.05 = 2,989.04 : x
  2. Step 2: Convert to fraction form
    2,993.37/4,490.05 = 2,989.04/x
  3. Step 3: Cross multiply
    2,993.37x = 4,490.05 × 2,989.04
  4. Step 4: Simplify right side
    2,993.37x = 13,420,939.05
  5. Step 5: Solve for x
    x = 13,420,939.05/2,993.37
  6. Step 6: Final answer
    x = 4,483.56

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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.