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Finding the Fourth Proportional to 5,747.72, 8,615.45 and 3,277.22

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Solution

The fourth proportional to 5,747.72, 8,615.45 and 3,277.22 is: 4,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.72 : 8,615.45 = 3,277.22 : x
  2. Step 2: Convert to fraction form
    5,747.72/8,615.45 = 3,277.22/x
  3. Step 3: Cross multiply
    5,747.72x = 8,615.45 × 3,277.22
  4. Step 4: Simplify right side
    5,747.72x = 28,234,695.96
  5. Step 5: Solve for x
    x = 28,234,695.96/5,747.72
  6. Step 6: Final answer
    x = 4,912.33

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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.