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Finding the Fourth Proportional to 22,374, 33,564.24 and 6,791.64

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Solution

The fourth proportional to 22,374, 33,564.24 and 6,791.64 is: 10,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374 : 33,564.24 = 6,791.64 : x
  2. Step 2: Convert to fraction form
    22,374/33,564.24 = 6,791.64/x
  3. Step 3: Cross multiply
    22,374x = 33,564.24 × 6,791.64
  4. Step 4: Simplify right side
    22,374x = 227,956,234.95
  5. Step 5: Solve for x
    x = 227,956,234.95/22,374
  6. Step 6: Final answer
    x = 10,188.44

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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.