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Finding the Fourth Proportional to 68,474.92, 94,494.26 and 38,260.68

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Solution

The fourth proportional to 68,474.92, 94,494.26 and 38,260.68 is: 52,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,474.92 : 94,494.26 = 38,260.68 : x
  2. Step 2: Convert to fraction form
    68,474.92/94,494.26 = 38,260.68/x
  3. Step 3: Cross multiply
    68,474.92x = 94,494.26 × 38,260.68
  4. Step 4: Simplify right side
    68,474.92x = 3,615,414,643.70
  5. Step 5: Solve for x
    x = 3,615,414,643.70/68,474.92
  6. Step 6: Final answer
    x = 52,799.11

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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.