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Finding the Fourth Proportional to 11,962.62, 17,940.69 and 5,035.50

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Solution

The fourth proportional to 11,962.62, 17,940.69 and 5,035.50 is: 7,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.62 : 17,940.69 = 5,035.50 : x
  2. Step 2: Convert to fraction form
    11,962.62/17,940.69 = 5,035.50/x
  3. Step 3: Cross multiply
    11,962.62x = 17,940.69 × 5,035.50
  4. Step 4: Simplify right side
    11,962.62x = 90,340,344.50
  5. Step 5: Solve for x
    x = 90,340,344.50/11,962.62
  6. Step 6: Final answer
    x = 7,551.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.