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Finding the Fourth Proportional to 4,936.38, 7,362.96 and 4,197.66

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Solution

The fourth proportional to 4,936.38, 7,362.96 and 4,197.66 is: 6,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.38 : 7,362.96 = 4,197.66 : x
  2. Step 2: Convert to fraction form
    4,936.38/7,362.96 = 4,197.66/x
  3. Step 3: Cross multiply
    4,936.38x = 7,362.96 × 4,197.66
  4. Step 4: Simplify right side
    4,936.38x = 30,907,202.67
  5. Step 5: Solve for x
    x = 30,907,202.67/4,936.38
  6. Step 6: Final answer
    x = 6,261.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.