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Finding the Fourth Proportional to 68,603.31, 94,667.94 and 38,383.44

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Solution

The fourth proportional to 68,603.31, 94,667.94 and 38,383.44 is: 52,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,603.31 : 94,667.94 = 38,383.44 : x
  2. Step 2: Convert to fraction form
    68,603.31/94,667.94 = 38,383.44/x
  3. Step 3: Cross multiply
    68,603.31x = 94,667.94 × 38,383.44
  4. Step 4: Simplify right side
    68,603.31x = 3,633,681,194.91
  5. Step 5: Solve for x
    x = 3,633,681,194.91/68,603.31
  6. Step 6: Final answer
    x = 52,966.56

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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.