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Finding the Fourth Proportional to 2,593, 3,578.34 and 1,662.76

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Solution

The fourth proportional to 2,593, 3,578.34 and 1,662.76 is: 2,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593 : 3,578.34 = 1,662.76 : x
  2. Step 2: Convert to fraction form
    2,593/3,578.34 = 1,662.76/x
  3. Step 3: Cross multiply
    2,593x = 3,578.34 × 1,662.76
  4. Step 4: Simplify right side
    2,593x = 5,949,920.62
  5. Step 5: Solve for x
    x = 5,949,920.62/2,593
  6. Step 6: Final answer
    x = 2,294.61

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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.