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Finding the Fourth Proportional to 11,951.49, 17,930.97 and 9,327.95

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Solution

The fourth proportional to 11,951.49, 17,930.97 and 9,327.95 is: 13,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.49 : 17,930.97 = 9,327.95 : x
  2. Step 2: Convert to fraction form
    11,951.49/17,930.97 = 9,327.95/x
  3. Step 3: Cross multiply
    11,951.49x = 17,930.97 × 9,327.95
  4. Step 4: Simplify right side
    11,951.49x = 167,259,101.96
  5. Step 5: Solve for x
    x = 167,259,101.96/11,951.49
  6. Step 6: Final answer
    x = 13,994.83

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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.