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Finding the Fourth Proportional to 56,644.39, 84,961.08 and 17,201.85

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Solution

The fourth proportional to 56,644.39, 84,961.08 and 17,201.85 is: 25,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.39 : 84,961.08 = 17,201.85 : x
  2. Step 2: Convert to fraction form
    56,644.39/84,961.08 = 17,201.85/x
  3. Step 3: Cross multiply
    56,644.39x = 84,961.08 × 17,201.85
  4. Step 4: Simplify right side
    56,644.39x = 1,461,487,754.00
  5. Step 5: Solve for x
    x = 1,461,487,754.00/56,644.39
  6. Step 6: Final answer
    x = 25,801.10

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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.