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Finding the Fourth Proportional to 17,951.58, 26,933.85 and 9,190.62

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Solution

The fourth proportional to 17,951.58, 26,933.85 and 9,190.62 is: 13,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.58 : 26,933.85 = 9,190.62 : x
  2. Step 2: Convert to fraction form
    17,951.58/26,933.85 = 9,190.62/x
  3. Step 3: Cross multiply
    17,951.58x = 26,933.85 × 9,190.62
  4. Step 4: Simplify right side
    17,951.58x = 247,538,780.49
  5. Step 5: Solve for x
    x = 247,538,780.49/17,951.58
  6. Step 6: Final answer
    x = 13,789.25

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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.