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Finding the Fourth Proportional to 8,449.01, 11,659.17 and 4,671.96

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Solution

The fourth proportional to 8,449.01, 11,659.17 and 4,671.96 is: 6,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.01 : 11,659.17 = 4,671.96 : x
  2. Step 2: Convert to fraction form
    8,449.01/11,659.17 = 4,671.96/x
  3. Step 3: Cross multiply
    8,449.01x = 11,659.17 × 4,671.96
  4. Step 4: Simplify right side
    8,449.01x = 54,471,175.87
  5. Step 5: Solve for x
    x = 54,471,175.87/8,449.01
  6. Step 6: Final answer
    x = 6,447.05

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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.