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Finding the Fourth Proportional to 9,906.33, 13,671.17 and 5,926.68

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Solution

The fourth proportional to 9,906.33, 13,671.17 and 5,926.68 is: 8,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.33 : 13,671.17 = 5,926.68 : x
  2. Step 2: Convert to fraction form
    9,906.33/13,671.17 = 5,926.68/x
  3. Step 3: Cross multiply
    9,906.33x = 13,671.17 × 5,926.68
  4. Step 4: Simplify right side
    9,906.33x = 81,024,620.18
  5. Step 5: Solve for x
    x = 81,024,620.18/9,906.33
  6. Step 6: Final answer
    x = 8,179.08

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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.