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Finding the Fourth Proportional to 5,961.56, 8,226.80 and 3,308.88

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Solution

The fourth proportional to 5,961.56, 8,226.80 and 3,308.88 is: 4,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.56 : 8,226.80 = 3,308.88 : x
  2. Step 2: Convert to fraction form
    5,961.56/8,226.80 = 3,308.88/x
  3. Step 3: Cross multiply
    5,961.56x = 8,226.80 × 3,308.88
  4. Step 4: Simplify right side
    5,961.56x = 27,221,493.98
  5. Step 5: Solve for x
    x = 27,221,493.98/5,961.56
  6. Step 6: Final answer
    x = 4,566.17

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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.