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Finding the Fourth Proportional to 50,893.92, 76,243.68 and 33,328.80

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Solution

The fourth proportional to 50,893.92, 76,243.68 and 33,328.80 is: 49,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,893.92 : 76,243.68 = 33,328.80 : x
  2. Step 2: Convert to fraction form
    50,893.92/76,243.68 = 33,328.80/x
  3. Step 3: Cross multiply
    50,893.92x = 76,243.68 × 33,328.80
  4. Step 4: Simplify right side
    50,893.92x = 2,541,110,361.98
  5. Step 5: Solve for x
    x = 2,541,110,361.98/50,893.92
  6. Step 6: Final answer
    x = 49,929.55

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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.