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Finding the Fourth Proportional to 37,286.92, 55,932.14 and 10,991.92

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Solution

The fourth proportional to 37,286.92, 55,932.14 and 10,991.92 is: 16,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.92 : 55,932.14 = 10,991.92 : x
  2. Step 2: Convert to fraction form
    37,286.92/55,932.14 = 10,991.92/x
  3. Step 3: Cross multiply
    37,286.92x = 55,932.14 × 10,991.92
  4. Step 4: Simplify right side
    37,286.92x = 614,801,608.31
  5. Step 5: Solve for x
    x = 614,801,608.31/37,286.92
  6. Step 6: Final answer
    x = 16,488.40

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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.