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Finding the Fourth Proportional to 68,091.12, 93,974.04 and 41,232.94

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Solution

The fourth proportional to 68,091.12, 93,974.04 and 41,232.94 is: 56,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.12 : 93,974.04 = 41,232.94 : x
  2. Step 2: Convert to fraction form
    68,091.12/93,974.04 = 41,232.94/x
  3. Step 3: Cross multiply
    68,091.12x = 93,974.04 × 41,232.94
  4. Step 4: Simplify right side
    68,091.12x = 3,874,825,952.88
  5. Step 5: Solve for x
    x = 3,874,825,952.88/68,091.12
  6. Step 6: Final answer
    x = 56,906.48

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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.