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Finding the Fourth Proportional to 68,893.50, 95,066.44 and 38,671.89

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Solution

The fourth proportional to 68,893.50, 95,066.44 and 38,671.89 is: 53,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893.50 : 95,066.44 = 38,671.89 : x
  2. Step 2: Convert to fraction form
    68,893.50/95,066.44 = 38,671.89/x
  3. Step 3: Cross multiply
    68,893.50x = 95,066.44 × 38,671.89
  4. Step 4: Simplify right side
    68,893.50x = 3,676,398,910.37
  5. Step 5: Solve for x
    x = 3,676,398,910.37/68,893.50
  6. Step 6: Final answer
    x = 53,363.51

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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.