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Finding the Fourth Proportional to 6,600.54, 9,108.74 and 3,616.56

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Solution

The fourth proportional to 6,600.54, 9,108.74 and 3,616.56 is: 4,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.54 : 9,108.74 = 3,616.56 : x
  2. Step 2: Convert to fraction form
    6,600.54/9,108.74 = 3,616.56/x
  3. Step 3: Cross multiply
    6,600.54x = 9,108.74 × 3,616.56
  4. Step 4: Simplify right side
    6,600.54x = 32,942,304.73
  5. Step 5: Solve for x
    x = 32,942,304.73/6,600.54
  6. Step 6: Final answer
    x = 4,990.85

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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.