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Finding the Fourth Proportional to 2,224.76, 3,331.76 and 2,166.44

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Solution

The fourth proportional to 2,224.76, 3,331.76 and 2,166.44 is: 3,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.76 : 3,331.76 = 2,166.44 : x
  2. Step 2: Convert to fraction form
    2,224.76/3,331.76 = 2,166.44/x
  3. Step 3: Cross multiply
    2,224.76x = 3,331.76 × 2,166.44
  4. Step 4: Simplify right side
    2,224.76x = 7,218,058.13
  5. Step 5: Solve for x
    x = 7,218,058.13/2,224.76
  6. Step 6: Final answer
    x = 3,244.42

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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.