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Finding the Fourth Proportional to 4,481.97, 6,722.85 and 4,346.64

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Solution

The fourth proportional to 4,481.97, 6,722.85 and 4,346.64 is: 6,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.97 : 6,722.85 = 4,346.64 : x
  2. Step 2: Convert to fraction form
    4,481.97/6,722.85 = 4,346.64/x
  3. Step 3: Cross multiply
    4,481.97x = 6,722.85 × 4,346.64
  4. Step 4: Simplify right side
    4,481.97x = 29,221,808.72
  5. Step 5: Solve for x
    x = 29,221,808.72/4,481.97
  6. Step 6: Final answer
    x = 6,519.86

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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.