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Finding the Fourth Proportional to 4,961.88, 7,439.18 and 2,494.22

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Solution

The fourth proportional to 4,961.88, 7,439.18 and 2,494.22 is: 3,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.88 : 7,439.18 = 2,494.22 : x
  2. Step 2: Convert to fraction form
    4,961.88/7,439.18 = 2,494.22/x
  3. Step 3: Cross multiply
    4,961.88x = 7,439.18 × 2,494.22
  4. Step 4: Simplify right side
    4,961.88x = 18,554,901.87
  5. Step 5: Solve for x
    x = 18,554,901.87/4,961.88
  6. Step 6: Final answer
    x = 3,739.49

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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.