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Finding the Fourth Proportional to 75,279.73, 112,963.33 and 33,726.73

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Solution

The fourth proportional to 75,279.73, 112,963.33 and 33,726.73 is: 50,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.73 : 112,963.33 = 33,726.73 : x
  2. Step 2: Convert to fraction form
    75,279.73/112,963.33 = 33,726.73/x
  3. Step 3: Cross multiply
    75,279.73x = 112,963.33 × 33,726.73
  4. Step 4: Simplify right side
    75,279.73x = 3,809,883,165.99
  5. Step 5: Solve for x
    x = 3,809,883,165.99/75,279.73
  6. Step 6: Final answer
    x = 50,609.68

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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.