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Finding the Fourth Proportional to 69,470.64, 104,175 and 22,072.32

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Solution

The fourth proportional to 69,470.64, 104,175 and 22,072.32 is: 33,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.64 : 104,175 = 22,072.32 : x
  2. Step 2: Convert to fraction form
    69,470.64/104,175 = 22,072.32/x
  3. Step 3: Cross multiply
    69,470.64x = 104,175 × 22,072.32
  4. Step 4: Simplify right side
    69,470.64x = 2,299,383,936
  5. Step 5: Solve for x
    x = 2,299,383,936/69,470.64
  6. Step 6: Final answer
    x = 33,098.64

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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.