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Finding the Fourth Proportional to 37,633.74, 51,936.87 and 20,866.74

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Solution

The fourth proportional to 37,633.74, 51,936.87 and 20,866.74 is: 28,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,633.74 : 51,936.87 = 20,866.74 : x
  2. Step 2: Convert to fraction form
    37,633.74/51,936.87 = 20,866.74/x
  3. Step 3: Cross multiply
    37,633.74x = 51,936.87 × 20,866.74
  4. Step 4: Simplify right side
    37,633.74x = 1,083,753,162.70
  5. Step 5: Solve for x
    x = 1,083,753,162.70/37,633.74
  6. Step 6: Final answer
    x = 28,797.38

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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.