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Finding the Fourth Proportional to 3,493.92, 5,236.56 and 1,850.88

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Solution

The fourth proportional to 3,493.92, 5,236.56 and 1,850.88 is: 2,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.92 : 5,236.56 = 1,850.88 : x
  2. Step 2: Convert to fraction form
    3,493.92/5,236.56 = 1,850.88/x
  3. Step 3: Cross multiply
    3,493.92x = 5,236.56 × 1,850.88
  4. Step 4: Simplify right side
    3,493.92x = 9,692,244.17
  5. Step 5: Solve for x
    x = 9,692,244.17/3,493.92
  6. Step 6: Final answer
    x = 2,774.03

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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.