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Finding the Fourth Proportional to 68,568.93, 94,633.88 and 38,355.93

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Solution

The fourth proportional to 68,568.93, 94,633.88 and 38,355.93 is: 52,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,568.93 : 94,633.88 = 38,355.93 : x
  2. Step 2: Convert to fraction form
    68,568.93/94,633.88 = 38,355.93/x
  3. Step 3: Cross multiply
    68,568.93x = 94,633.88 × 38,355.93
  4. Step 4: Simplify right side
    68,568.93x = 3,629,770,572.80
  5. Step 5: Solve for x
    x = 3,629,770,572.80/68,568.93
  6. Step 6: Final answer
    x = 52,936.08

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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.