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Finding the Fourth Proportional to 5,768.77, 7,961.07 and 3,250.97

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Solution

The fourth proportional to 5,768.77, 7,961.07 and 3,250.97 is: 4,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.77 : 7,961.07 = 3,250.97 : x
  2. Step 2: Convert to fraction form
    5,768.77/7,961.07 = 3,250.97/x
  3. Step 3: Cross multiply
    5,768.77x = 7,961.07 × 3,250.97
  4. Step 4: Simplify right side
    5,768.77x = 25,881,143.68
  5. Step 5: Solve for x
    x = 25,881,143.68/5,768.77
  6. Step 6: Final answer
    x = 4,486.43

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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.