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Finding the Fourth Proportional to 75,279.97, 112,963.70 and 33,726.97

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Solution

The fourth proportional to 75,279.97, 112,963.70 and 33,726.97 is: 50,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.97 : 112,963.70 = 33,726.97 : x
  2. Step 2: Convert to fraction form
    75,279.97/112,963.70 = 33,726.97/x
  3. Step 3: Cross multiply
    75,279.97x = 112,963.70 × 33,726.97
  4. Step 4: Simplify right side
    75,279.97x = 3,809,923,320.99
  5. Step 5: Solve for x
    x = 3,809,923,320.99/75,279.97
  6. Step 6: Final answer
    x = 50,610.05

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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.