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Finding the Fourth Proportional to 28,893.78, 43,347.83 and 17,057.25

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Solution

The fourth proportional to 28,893.78, 43,347.83 and 17,057.25 is: 25,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.78 : 43,347.83 = 17,057.25 : x
  2. Step 2: Convert to fraction form
    28,893.78/43,347.83 = 17,057.25/x
  3. Step 3: Cross multiply
    28,893.78x = 43,347.83 × 17,057.25
  4. Step 4: Simplify right side
    28,893.78x = 739,394,687.98
  5. Step 5: Solve for x
    x = 739,394,687.98/28,893.78
  6. Step 6: Final answer
    x = 25,590.10

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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.