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Finding the Fourth Proportional to 68,110.82, 93,990.54 and 37,481.04

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Solution

The fourth proportional to 68,110.82, 93,990.54 and 37,481.04 is: 51,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,110.82 : 93,990.54 = 37,481.04 : x
  2. Step 2: Convert to fraction form
    68,110.82/93,990.54 = 37,481.04/x
  3. Step 3: Cross multiply
    68,110.82x = 93,990.54 × 37,481.04
  4. Step 4: Simplify right side
    68,110.82x = 3,522,863,189.36
  5. Step 5: Solve for x
    x = 3,522,863,189.36/68,110.82
  6. Step 6: Final answer
    x = 51,722.52

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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.