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Finding the Fourth Proportional to 5,761.92, 7,950.72 and 3,277.92

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Solution

The fourth proportional to 5,761.92, 7,950.72 and 3,277.92 is: 4,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.92 : 7,950.72 = 3,277.92 : x
  2. Step 2: Convert to fraction form
    5,761.92/7,950.72 = 3,277.92/x
  3. Step 3: Cross multiply
    5,761.92x = 7,950.72 × 3,277.92
  4. Step 4: Simplify right side
    5,761.92x = 26,061,824.10
  5. Step 5: Solve for x
    x = 26,061,824.10/5,761.92
  6. Step 6: Final answer
    x = 4,523.11

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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.