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Finding the Fourth Proportional to 6,608.85, 9,903.73 and 3,647.90

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Solution

The fourth proportional to 6,608.85, 9,903.73 and 3,647.90 is: 5,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.85 : 9,903.73 = 3,647.90 : x
  2. Step 2: Convert to fraction form
    6,608.85/9,903.73 = 3,647.90/x
  3. Step 3: Cross multiply
    6,608.85x = 9,903.73 × 3,647.90
  4. Step 4: Simplify right side
    6,608.85x = 36,127,816.67
  5. Step 5: Solve for x
    x = 36,127,816.67/6,608.85
  6. Step 6: Final answer
    x = 5,466.58

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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.