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Finding the Fourth Proportional to 75,859.74, 104,692.37 and 41,874.97

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Solution

The fourth proportional to 75,859.74, 104,692.37 and 41,874.97 is: 57,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,859.74 : 104,692.37 = 41,874.97 : x
  2. Step 2: Convert to fraction form
    75,859.74/104,692.37 = 41,874.97/x
  3. Step 3: Cross multiply
    75,859.74x = 104,692.37 × 41,874.97
  4. Step 4: Simplify right side
    75,859.74x = 4,383,989,852.98
  5. Step 5: Solve for x
    x = 4,383,989,852.98/75,859.74
  6. Step 6: Final answer
    x = 57,790.73

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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.