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Finding the Fourth Proportional to 5,836.95, 8,756.33 and 1,940.45

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Solution

The fourth proportional to 5,836.95, 8,756.33 and 1,940.45 is: 2,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.95 : 8,756.33 = 1,940.45 : x
  2. Step 2: Convert to fraction form
    5,836.95/8,756.33 = 1,940.45/x
  3. Step 3: Cross multiply
    5,836.95x = 8,756.33 × 1,940.45
  4. Step 4: Simplify right side
    5,836.95x = 16,991,167.06
  5. Step 5: Solve for x
    x = 16,991,167.06/5,836.95
  6. Step 6: Final answer
    x = 2,910.97

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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.