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Finding the Fourth Proportional to 37,356, 51,552.09 and 20,589

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Solution

The fourth proportional to 37,356, 51,552.09 and 20,589 is: 28,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,356 : 51,552.09 = 20,589 : x
  2. Step 2: Convert to fraction form
    37,356/51,552.09 = 20,589/x
  3. Step 3: Cross multiply
    37,356x = 51,552.09 × 20,589
  4. Step 4: Simplify right side
    37,356x = 1,061,405,981.01
  5. Step 5: Solve for x
    x = 1,061,405,981.01/37,356
  6. Step 6: Final answer
    x = 28,413.27

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Why These Related Problems?

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