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Finding the Fourth Proportional to 22,188, 33,304.80 and 17,310.96

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Solution

The fourth proportional to 22,188, 33,304.80 and 17,310.96 is: 25,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188 : 33,304.80 = 17,310.96 : x
  2. Step 2: Convert to fraction form
    22,188/33,304.80 = 17,310.96/x
  3. Step 3: Cross multiply
    22,188x = 33,304.80 × 17,310.96
  4. Step 4: Simplify right side
    22,188x = 576,538,060.61
  5. Step 5: Solve for x
    x = 576,538,060.61/22,188
  6. Step 6: Final answer
    x = 25,984.23

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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.