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Finding the Fourth Proportional to 37,077.92, 51,168.84 and 20,310.92

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Solution

The fourth proportional to 37,077.92, 51,168.84 and 20,310.92 is: 28,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,077.92 : 51,168.84 = 20,310.92 : x
  2. Step 2: Convert to fraction form
    37,077.92/51,168.84 = 20,310.92/x
  3. Step 3: Cross multiply
    37,077.92x = 51,168.84 × 20,310.92
  4. Step 4: Simplify right side
    37,077.92x = 1,039,286,215.73
  5. Step 5: Solve for x
    x = 1,039,286,215.73/37,077.92
  6. Step 6: Final answer
    x = 28,029.79

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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.