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Finding the Fourth Proportional to 4,949.11, 7,422.87 and 1,662.22

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Solution

The fourth proportional to 4,949.11, 7,422.87 and 1,662.22 is: 2,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.11 : 7,422.87 = 1,662.22 : x
  2. Step 2: Convert to fraction form
    4,949.11/7,422.87 = 1,662.22/x
  3. Step 3: Cross multiply
    4,949.11x = 7,422.87 × 1,662.22
  4. Step 4: Simplify right side
    4,949.11x = 12,338,442.97
  5. Step 5: Solve for x
    x = 12,338,442.97/4,949.11
  6. Step 6: Final answer
    x = 2,493.06

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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.