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Finding the Fourth Proportional to 68,793.30, 94,936.86 and 38,577.87

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Solution

The fourth proportional to 68,793.30, 94,936.86 and 38,577.87 is: 53,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.30 : 94,936.86 = 38,577.87 : x
  2. Step 2: Convert to fraction form
    68,793.30/94,936.86 = 38,577.87/x
  3. Step 3: Cross multiply
    68,793.30x = 94,936.86 × 38,577.87
  4. Step 4: Simplify right side
    68,793.30x = 3,662,461,843.29
  5. Step 5: Solve for x
    x = 3,662,461,843.29/68,793.30
  6. Step 6: Final answer
    x = 53,238.64

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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.