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Finding the Fourth Proportional to 6,198.86, 9,290.05 and 2,905.03

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Solution

The fourth proportional to 6,198.86, 9,290.05 and 2,905.03 is: 4,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.86 : 9,290.05 = 2,905.03 : x
  2. Step 2: Convert to fraction form
    6,198.86/9,290.05 = 2,905.03/x
  3. Step 3: Cross multiply
    6,198.86x = 9,290.05 × 2,905.03
  4. Step 4: Simplify right side
    6,198.86x = 26,987,873.95
  5. Step 5: Solve for x
    x = 26,987,873.95/6,198.86
  6. Step 6: Final answer
    x = 4,353.68

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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.