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Finding the Fourth Proportional to 4,797.67, 6,615.13 and 3,285.97

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Solution

The fourth proportional to 4,797.67, 6,615.13 and 3,285.97 is: 4,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.67 : 6,615.13 = 3,285.97 : x
  2. Step 2: Convert to fraction form
    4,797.67/6,615.13 = 3,285.97/x
  3. Step 3: Cross multiply
    4,797.67x = 6,615.13 × 3,285.97
  4. Step 4: Simplify right side
    4,797.67x = 21,737,115.15
  5. Step 5: Solve for x
    x = 21,737,115.15/4,797.67
  6. Step 6: Final answer
    x = 4,530.76

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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.