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Finding the Fourth Proportional to 33,619.01, 50,435.73 and 16,761.20

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Solution

The fourth proportional to 33,619.01, 50,435.73 and 16,761.20 is: 25,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,619.01 : 50,435.73 = 16,761.20 : x
  2. Step 2: Convert to fraction form
    33,619.01/50,435.73 = 16,761.20/x
  3. Step 3: Cross multiply
    33,619.01x = 50,435.73 × 16,761.20
  4. Step 4: Simplify right side
    33,619.01x = 845,363,105.50
  5. Step 5: Solve for x
    x = 845,363,105.50/33,619.01
  6. Step 6: Final answer
    x = 25,145.39

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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.