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Finding the Fourth Proportional to 7,244.25, 9,997.07 and 3,932.25

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Solution

The fourth proportional to 7,244.25, 9,997.07 and 3,932.25 is: 5,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.25 : 9,997.07 = 3,932.25 : x
  2. Step 2: Convert to fraction form
    7,244.25/9,997.07 = 3,932.25/x
  3. Step 3: Cross multiply
    7,244.25x = 9,997.07 × 3,932.25
  4. Step 4: Simplify right side
    7,244.25x = 39,310,958.85
  5. Step 5: Solve for x
    x = 39,310,958.85/7,244.25
  6. Step 6: Final answer
    x = 5,426.51

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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.