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Finding the Fourth Proportional to 5,236.35, 7,845.30 and 2,765.73

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Solution

The fourth proportional to 5,236.35, 7,845.30 and 2,765.73 is: 4,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.35 : 7,845.30 = 2,765.73 : x
  2. Step 2: Convert to fraction form
    5,236.35/7,845.30 = 2,765.73/x
  3. Step 3: Cross multiply
    5,236.35x = 7,845.30 × 2,765.73
  4. Step 4: Simplify right side
    5,236.35x = 21,697,952.15
  5. Step 5: Solve for x
    x = 21,697,952.15/5,236.35
  6. Step 6: Final answer
    x = 4,143.72

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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.