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Finding the Fourth Proportional to 4,961.46, 7,487.21 and 4,796.22

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Solution

The fourth proportional to 4,961.46, 7,487.21 and 4,796.22 is: 7,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.46 : 7,487.21 = 4,796.22 : x
  2. Step 2: Convert to fraction form
    4,961.46/7,487.21 = 4,796.22/x
  3. Step 3: Cross multiply
    4,961.46x = 7,487.21 × 4,796.22
  4. Step 4: Simplify right side
    4,961.46x = 35,910,282.37
  5. Step 5: Solve for x
    x = 35,910,282.37/4,961.46
  6. Step 6: Final answer
    x = 7,237.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.