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Finding the Fourth Proportional to 68,483.70, 102,769.56 and 33,404.22

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Solution

The fourth proportional to 68,483.70, 102,769.56 and 33,404.22 is: 50,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,483.70 : 102,769.56 = 33,404.22 : x
  2. Step 2: Convert to fraction form
    68,483.70/102,769.56 = 33,404.22/x
  3. Step 3: Cross multiply
    68,483.70x = 102,769.56 × 33,404.22
  4. Step 4: Simplify right side
    68,483.70x = 3,432,936,991.54
  5. Step 5: Solve for x
    x = 3,432,936,991.54/68,483.70
  6. Step 6: Final answer
    x = 50,127.80

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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.