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Finding the Fourth Proportional to 3,074.25, 4,611.38 and 996

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Solution

The fourth proportional to 3,074.25, 4,611.38 and 996 is: 1,494

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.25 : 4,611.38 = 996 : x
  2. Step 2: Convert to fraction form
    3,074.25/4,611.38 = 996/x
  3. Step 3: Cross multiply
    3,074.25x = 4,611.38 × 996
  4. Step 4: Simplify right side
    3,074.25x = 4,592,929.50
  5. Step 5: Solve for x
    x = 4,592,929.50/3,074.25
  6. Step 6: Final answer
    x = 1,494

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Double scale
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Similar ratio
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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.