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Finding the Fourth Proportional to 3,236.40, 4,850.82 and 1,503

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Solution

The fourth proportional to 3,236.40, 4,850.82 and 1,503 is: 2,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.40 : 4,850.82 = 1,503 : x
  2. Step 2: Convert to fraction form
    3,236.40/4,850.82 = 1,503/x
  3. Step 3: Cross multiply
    3,236.40x = 4,850.82 × 1,503
  4. Step 4: Simplify right side
    3,236.40x = 7,290,782.46
  5. Step 5: Solve for x
    x = 7,290,782.46/3,236.40
  6. Step 6: Final answer
    x = 2,252.74

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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.