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Finding the Fourth Proportional to 5,674.94, 8,517.78 and 3,487.94

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Solution

The fourth proportional to 5,674.94, 8,517.78 and 3,487.94 is: 5,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.94 : 8,517.78 = 3,487.94 : x
  2. Step 2: Convert to fraction form
    5,674.94/8,517.78 = 3,487.94/x
  3. Step 3: Cross multiply
    5,674.94x = 8,517.78 × 3,487.94
  4. Step 4: Simplify right side
    5,674.94x = 29,709,505.57
  5. Step 5: Solve for x
    x = 29,709,505.57/5,674.94
  6. Step 6: Final answer
    x = 5,235.21

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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.