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Finding the Fourth Proportional to 5,747.62, 8,615.30 and 3,277.12

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Solution

The fourth proportional to 5,747.62, 8,615.30 and 3,277.12 is: 4,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.62 : 8,615.30 = 3,277.12 : x
  2. Step 2: Convert to fraction form
    5,747.62/8,615.30 = 3,277.12/x
  3. Step 3: Cross multiply
    5,747.62x = 8,615.30 × 3,277.12
  4. Step 4: Simplify right side
    5,747.62x = 28,233,371.94
  5. Step 5: Solve for x
    x = 28,233,371.94/5,747.62
  6. Step 6: Final answer
    x = 4,912.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.