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Finding the Fourth Proportional to 5,836.91, 8,753.77 and 1,940.81

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Solution

The fourth proportional to 5,836.91, 8,753.77 and 1,940.81 is: 2,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.91 : 8,753.77 = 1,940.81 : x
  2. Step 2: Convert to fraction form
    5,836.91/8,753.77 = 1,940.81/x
  3. Step 3: Cross multiply
    5,836.91x = 8,753.77 × 1,940.81
  4. Step 4: Simplify right side
    5,836.91x = 16,989,355.73
  5. Step 5: Solve for x
    x = 16,989,355.73/5,836.91
  6. Step 6: Final answer
    x = 2,910.68

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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.