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Finding the Fourth Proportional to 6,637.76, 9,962.79 and 3,353.17

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Solution

The fourth proportional to 6,637.76, 9,962.79 and 3,353.17 is: 5,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.76 : 9,962.79 = 3,353.17 : x
  2. Step 2: Convert to fraction form
    6,637.76/9,962.79 = 3,353.17/x
  3. Step 3: Cross multiply
    6,637.76x = 9,962.79 × 3,353.17
  4. Step 4: Simplify right side
    6,637.76x = 33,406,878.73
  5. Step 5: Solve for x
    x = 33,406,878.73/6,637.76
  6. Step 6: Final answer
    x = 5,032.85

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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.