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Finding the Fourth Proportional to 3,236.42, 4,855.32 and 1,850.42

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Solution

The fourth proportional to 3,236.42, 4,855.32 and 1,850.42 is: 2,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.42 : 4,855.32 = 1,850.42 : x
  2. Step 2: Convert to fraction form
    3,236.42/4,855.32 = 1,850.42/x
  3. Step 3: Cross multiply
    3,236.42x = 4,855.32 × 1,850.42
  4. Step 4: Simplify right side
    3,236.42x = 8,984,381.23
  5. Step 5: Solve for x
    x = 8,984,381.23/3,236.42
  6. Step 6: Final answer
    x = 2,776.02

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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.