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Finding the Fourth Proportional to 67,285.92, 100,958.40 and 27,852

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Solution

The fourth proportional to 67,285.92, 100,958.40 and 27,852 is: 41,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285.92 : 100,958.40 = 27,852 : x
  2. Step 2: Convert to fraction form
    67,285.92/100,958.40 = 27,852/x
  3. Step 3: Cross multiply
    67,285.92x = 100,958.40 × 27,852
  4. Step 4: Simplify right side
    67,285.92x = 2,811,893,356.80
  5. Step 5: Solve for x
    x = 2,811,893,356.80/67,285.92
  6. Step 6: Final answer
    x = 41,790.22

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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.