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Finding the Fourth Proportional to 3,073.43, 4,611.11 and 1,611.58

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Solution

The fourth proportional to 3,073.43, 4,611.11 and 1,611.58 is: 2,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.43 : 4,611.11 = 1,611.58 : x
  2. Step 2: Convert to fraction form
    3,073.43/4,611.11 = 1,611.58/x
  3. Step 3: Cross multiply
    3,073.43x = 4,611.11 × 1,611.58
  4. Step 4: Simplify right side
    3,073.43x = 7,431,172.65
  5. Step 5: Solve for x
    x = 7,431,172.65/3,073.43
  6. Step 6: Final answer
    x = 2,417.88

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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.