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Finding the Fourth Proportional to 6,637.88, 9,962.98 and 3,353.28

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Solution

The fourth proportional to 6,637.88, 9,962.98 and 3,353.28 is: 5,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.88 : 9,962.98 = 3,353.28 : x
  2. Step 2: Convert to fraction form
    6,637.88/9,962.98 = 3,353.28/x
  3. Step 3: Cross multiply
    6,637.88x = 9,962.98 × 3,353.28
  4. Step 4: Simplify right side
    6,637.88x = 33,408,690.73
  5. Step 5: Solve for x
    x = 33,408,690.73/6,637.88
  6. Step 6: Final answer
    x = 5,033.03

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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.