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Finding the Fourth Proportional to 8,993.57, 13,488.49 and 2,418.19

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Solution

The fourth proportional to 8,993.57, 13,488.49 and 2,418.19 is: 3,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.57 : 13,488.49 = 2,418.19 : x
  2. Step 2: Convert to fraction form
    8,993.57/13,488.49 = 2,418.19/x
  3. Step 3: Cross multiply
    8,993.57x = 13,488.49 × 2,418.19
  4. Step 4: Simplify right side
    8,993.57x = 32,617,700.93
  5. Step 5: Solve for x
    x = 32,617,700.93/8,993.57
  6. Step 6: Final answer
    x = 3,626.78

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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.