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Finding the Fourth Proportional to 3,950.32, 5,927.92 and 2,003.90

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Solution

The fourth proportional to 3,950.32, 5,927.92 and 2,003.90 is: 3,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.32 : 5,927.92 = 2,003.90 : x
  2. Step 2: Convert to fraction form
    3,950.32/5,927.92 = 2,003.90/x
  3. Step 3: Cross multiply
    3,950.32x = 5,927.92 × 2,003.90
  4. Step 4: Simplify right side
    3,950.32x = 11,878,958.89
  5. Step 5: Solve for x
    x = 11,878,958.89/3,950.32
  6. Step 6: Final answer
    x = 3,007.09

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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.