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Finding the Fourth Proportional to 3,949.98, 5,927.04 and 1,611.71

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Solution

The fourth proportional to 3,949.98, 5,927.04 and 1,611.71 is: 2,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.98 : 5,927.04 = 1,611.71 : x
  2. Step 2: Convert to fraction form
    3,949.98/5,927.04 = 1,611.71/x
  3. Step 3: Cross multiply
    3,949.98x = 5,927.04 × 1,611.71
  4. Step 4: Simplify right side
    3,949.98x = 9,552,662.23
  5. Step 5: Solve for x
    x = 9,552,662.23/3,949.98
  6. Step 6: Final answer
    x = 2,418.41

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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.