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Finding the Fourth Proportional to 6,603,229.20, 9,904,843.80 and 5,717,494.20

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Solution

The fourth proportional to 6,603,229.20, 9,904,843.80 and 5,717,494.20 is: 8,576,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,229.20 : 9,904,843.80 = 5,717,494.20 : x
  2. Step 2: Convert to fraction form
    6,603,229.20/9,904,843.80 = 5,717,494.20/x
  3. Step 3: Cross multiply
    6,603,229.20x = 9,904,843.80 × 5,717,494.20
  4. Step 4: Simplify right side
    6,603,229.20x = 56,630,886,978,405.97
  5. Step 5: Solve for x
    x = 56,630,886,978,405.97/6,603,229.20
  6. Step 6: Final answer
    x = 8,576,241.30

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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.