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Finding the Fourth Proportional to 3,382.54, 5,073.98 and 1,074.22

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Solution

The fourth proportional to 3,382.54, 5,073.98 and 1,074.22 is: 1,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.54 : 5,073.98 = 1,074.22 : x
  2. Step 2: Convert to fraction form
    3,382.54/5,073.98 = 1,074.22/x
  3. Step 3: Cross multiply
    3,382.54x = 5,073.98 × 1,074.22
  4. Step 4: Simplify right side
    3,382.54x = 5,450,570.80
  5. Step 5: Solve for x
    x = 5,450,570.80/3,382.54
  6. Step 6: Final answer
    x = 1,611.38

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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.