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Finding the Fourth Proportional to 5,754.05, 8,625.08 and 3,905.31

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Solution

The fourth proportional to 5,754.05, 8,625.08 and 3,905.31 is: 5,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.05 : 8,625.08 = 3,905.31 : x
  2. Step 2: Convert to fraction form
    5,754.05/8,625.08 = 3,905.31/x
  3. Step 3: Cross multiply
    5,754.05x = 8,625.08 × 3,905.31
  4. Step 4: Simplify right side
    5,754.05x = 33,683,591.65
  5. Step 5: Solve for x
    x = 33,683,591.65/5,754.05
  6. Step 6: Final answer
    x = 5,853.90

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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.