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Finding the Fourth Proportional to 71,333.92, 107,026.80 and 33,905.44

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Solution

The fourth proportional to 71,333.92, 107,026.80 and 33,905.44 is: 50,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,333.92 : 107,026.80 = 33,905.44 : x
  2. Step 2: Convert to fraction form
    71,333.92/107,026.80 = 33,905.44/x
  3. Step 3: Cross multiply
    71,333.92x = 107,026.80 × 33,905.44
  4. Step 4: Simplify right side
    71,333.92x = 3,628,790,745.79
  5. Step 5: Solve for x
    x = 3,628,790,745.79/71,333.92
  6. Step 6: Final answer
    x = 50,870.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.