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Finding the Fourth Proportional to 68,486.82, 94,511.81 and 41,624.31

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Solution

The fourth proportional to 68,486.82, 94,511.81 and 41,624.31 is: 57,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,486.82 : 94,511.81 = 41,624.31 : x
  2. Step 2: Convert to fraction form
    68,486.82/94,511.81 = 41,624.31/x
  3. Step 3: Cross multiply
    68,486.82x = 94,511.81 × 41,624.31
  4. Step 4: Simplify right side
    68,486.82x = 3,933,988,669.98
  5. Step 5: Solve for x
    x = 3,933,988,669.98/68,486.82
  6. Step 6: Final answer
    x = 57,441.54

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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.