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Finding the Fourth Proportional to 4,325.32, 6,487.98 and 3,949.48

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Solution

The fourth proportional to 4,325.32, 6,487.98 and 3,949.48 is: 5,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.32 : 6,487.98 = 3,949.48 : x
  2. Step 2: Convert to fraction form
    4,325.32/6,487.98 = 3,949.48/x
  3. Step 3: Cross multiply
    4,325.32x = 6,487.98 × 3,949.48
  4. Step 4: Simplify right side
    4,325.32x = 25,624,147.25
  5. Step 5: Solve for x
    x = 25,624,147.25/4,325.32
  6. Step 6: Final answer
    x = 5,924.22

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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.