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Finding the Fourth Proportional to 6,603.30, 9,906.02 and 2,654.55

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Solution

The fourth proportional to 6,603.30, 9,906.02 and 2,654.55 is: 3,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.30 : 9,906.02 = 2,654.55 : x
  2. Step 2: Convert to fraction form
    6,603.30/9,906.02 = 2,654.55/x
  3. Step 3: Cross multiply
    6,603.30x = 9,906.02 × 2,654.55
  4. Step 4: Simplify right side
    6,603.30x = 26,296,012.12
  5. Step 5: Solve for x
    x = 26,296,012.12/6,603.30
  6. Step 6: Final answer
    x = 3,982.25

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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.