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Finding the Fourth Proportional to 75,305.52, 112,954.86 and 33,174.33

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Solution

The fourth proportional to 75,305.52, 112,954.86 and 33,174.33 is: 49,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,305.52 : 112,954.86 = 33,174.33 : x
  2. Step 2: Convert to fraction form
    75,305.52/112,954.86 = 33,174.33/x
  3. Step 3: Cross multiply
    75,305.52x = 112,954.86 × 33,174.33
  4. Step 4: Simplify right side
    75,305.52x = 3,747,201,800.74
  5. Step 5: Solve for x
    x = 3,747,201,800.74/75,305.52
  6. Step 6: Final answer
    x = 49,759.99

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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.