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Finding the Fourth Proportional to 56,644.43, 84,961.14 and 17,201.88

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Solution

The fourth proportional to 56,644.43, 84,961.14 and 17,201.88 is: 25,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.43 : 84,961.14 = 17,201.88 : x
  2. Step 2: Convert to fraction form
    56,644.43/84,961.14 = 17,201.88/x
  3. Step 3: Cross multiply
    56,644.43x = 84,961.14 × 17,201.88
  4. Step 4: Simplify right side
    56,644.43x = 1,461,491,270.44
  5. Step 5: Solve for x
    x = 1,461,491,270.44/56,644.43
  6. Step 6: Final answer
    x = 25,801.15

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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.