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Finding the Fourth Proportional to 6,958.75, 10,438.80 and 2,028.43

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Solution

The fourth proportional to 6,958.75, 10,438.80 and 2,028.43 is: 3,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.75 : 10,438.80 = 2,028.43 : x
  2. Step 2: Convert to fraction form
    6,958.75/10,438.80 = 2,028.43/x
  3. Step 3: Cross multiply
    6,958.75x = 10,438.80 × 2,028.43
  4. Step 4: Simplify right side
    6,958.75x = 21,174,375.08
  5. Step 5: Solve for x
    x = 21,174,375.08/6,958.75
  6. Step 6: Final answer
    x = 3,042.84

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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.