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Finding the Fourth Proportional to 4,993.57, 7,490.39 and 2,219.59

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Solution

The fourth proportional to 4,993.57, 7,490.39 and 2,219.59 is: 3,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.57 : 7,490.39 = 2,219.59 : x
  2. Step 2: Convert to fraction form
    4,993.57/7,490.39 = 2,219.59/x
  3. Step 3: Cross multiply
    4,993.57x = 7,490.39 × 2,219.59
  4. Step 4: Simplify right side
    4,993.57x = 16,625,583.64
  5. Step 5: Solve for x
    x = 16,625,583.64/4,993.57
  6. Step 6: Final answer
    x = 3,329.40

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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.