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Finding the Fourth Proportional to 28,906.33, 39,897.17 and 17,573.42

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Solution

The fourth proportional to 28,906.33, 39,897.17 and 17,573.42 is: 24,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.33 : 39,897.17 = 17,573.42 : x
  2. Step 2: Convert to fraction form
    28,906.33/39,897.17 = 17,573.42/x
  3. Step 3: Cross multiply
    28,906.33x = 39,897.17 × 17,573.42
  4. Step 4: Simplify right side
    28,906.33x = 701,129,725.22
  5. Step 5: Solve for x
    x = 701,129,725.22/28,906.33
  6. Step 6: Final answer
    x = 24,255.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.