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Finding the Fourth Proportional to 5,906.80, 8,861.16 and 1,747.23

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Solution

The fourth proportional to 5,906.80, 8,861.16 and 1,747.23 is: 2,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.80 : 8,861.16 = 1,747.23 : x
  2. Step 2: Convert to fraction form
    5,906.80/8,861.16 = 1,747.23/x
  3. Step 3: Cross multiply
    5,906.80x = 8,861.16 × 1,747.23
  4. Step 4: Simplify right side
    5,906.80x = 15,482,484.59
  5. Step 5: Solve for x
    x = 15,482,484.59/5,906.80
  6. Step 6: Final answer
    x = 2,621.13

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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.