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Finding the Fourth Proportional to 3,995.84, 5,992 and 2,355.68

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Solution

The fourth proportional to 3,995.84, 5,992 and 2,355.68 is: 3,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.84 : 5,992 = 2,355.68 : x
  2. Step 2: Convert to fraction form
    3,995.84/5,992 = 2,355.68/x
  3. Step 3: Cross multiply
    3,995.84x = 5,992 × 2,355.68
  4. Step 4: Simplify right side
    3,995.84x = 14,115,234.56
  5. Step 5: Solve for x
    x = 14,115,234.56/3,995.84
  6. Step 6: Final answer
    x = 3,532.48

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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.