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Finding the Fourth Proportional to 7,202.97, 9,936.29 and 4,960.99

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Solution

The fourth proportional to 7,202.97, 9,936.29 and 4,960.99 is: 6,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.97 : 9,936.29 = 4,960.99 : x
  2. Step 2: Convert to fraction form
    7,202.97/9,936.29 = 4,960.99/x
  3. Step 3: Cross multiply
    7,202.97x = 9,936.29 × 4,960.99
  4. Step 4: Simplify right side
    7,202.97x = 49,293,822.89
  5. Step 5: Solve for x
    x = 49,293,822.89/7,202.97
  6. Step 6: Final answer
    x = 6,843.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.