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Finding the Fourth Proportional to 37,505.92, 51,758.04 and 20,738.92

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Solution

The fourth proportional to 37,505.92, 51,758.04 and 20,738.92 is: 28,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,505.92 : 51,758.04 = 20,738.92 : x
  2. Step 2: Convert to fraction form
    37,505.92/51,758.04 = 20,738.92/x
  3. Step 3: Cross multiply
    37,505.92x = 51,758.04 × 20,738.92
  4. Step 4: Simplify right side
    37,505.92x = 1,073,405,850.92
  5. Step 5: Solve for x
    x = 1,073,405,850.92/37,505.92
  6. Step 6: Final answer
    x = 28,619.64

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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.