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Finding the Fourth Proportional to 5,836.71, 8,753.64 and 1,940.61

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Solution

The fourth proportional to 5,836.71, 8,753.64 and 1,940.61 is: 2,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.71 : 8,753.64 = 1,940.61 : x
  2. Step 2: Convert to fraction form
    5,836.71/8,753.64 = 1,940.61/x
  3. Step 3: Cross multiply
    5,836.71x = 8,753.64 × 1,940.61
  4. Step 4: Simplify right side
    5,836.71x = 16,987,357.55
  5. Step 5: Solve for x
    x = 16,987,357.55/5,836.71
  6. Step 6: Final answer
    x = 2,910.44

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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.