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Finding the Fourth Proportional to 11,942.96, 17,924.02 and 7,016.76

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Solution

The fourth proportional to 11,942.96, 17,924.02 and 7,016.76 is: 10,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.96 : 17,924.02 = 7,016.76 : x
  2. Step 2: Convert to fraction form
    11,942.96/17,924.02 = 7,016.76/x
  3. Step 3: Cross multiply
    11,942.96x = 17,924.02 × 7,016.76
  4. Step 4: Simplify right side
    11,942.96x = 125,768,546.58
  5. Step 5: Solve for x
    x = 125,768,546.58/11,942.96
  6. Step 6: Final answer
    x = 10,530.77

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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.