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Finding the Fourth Proportional to 1,616.88, 2,229.86 and 1,093.62

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Solution

The fourth proportional to 1,616.88, 2,229.86 and 1,093.62 is: 1,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.88 : 2,229.86 = 1,093.62 : x
  2. Step 2: Convert to fraction form
    1,616.88/2,229.86 = 1,093.62/x
  3. Step 3: Cross multiply
    1,616.88x = 2,229.86 × 1,093.62
  4. Step 4: Simplify right side
    1,616.88x = 2,438,619.49
  5. Step 5: Solve for x
    x = 2,438,619.49/1,616.88
  6. Step 6: Final answer
    x = 1,508.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.