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Finding the Fourth Proportional to 68,170.28, 94,074.78 and 37,954.82

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Solution

The fourth proportional to 68,170.28, 94,074.78 and 37,954.82 is: 52,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170.28 : 94,074.78 = 37,954.82 : x
  2. Step 2: Convert to fraction form
    68,170.28/94,074.78 = 37,954.82/x
  3. Step 3: Cross multiply
    68,170.28x = 94,074.78 × 37,954.82
  4. Step 4: Simplify right side
    68,170.28x = 3,570,591,341.44
  5. Step 5: Solve for x
    x = 3,570,591,341.44/68,170.28
  6. Step 6: Final answer
    x = 52,377.54

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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.