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Finding the Fourth Proportional to 11,832, 17,754.84 and 6,567.72

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Solution

The fourth proportional to 11,832, 17,754.84 and 6,567.72 is: 9,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832 : 17,754.84 = 6,567.72 : x
  2. Step 2: Convert to fraction form
    11,832/17,754.84 = 6,567.72/x
  3. Step 3: Cross multiply
    11,832x = 17,754.84 × 6,567.72
  4. Step 4: Simplify right side
    11,832x = 116,608,817.76
  5. Step 5: Solve for x
    x = 116,608,817.76/11,832
  6. Step 6: Final answer
    x = 9,855.38

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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.