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Finding the Fourth Proportional to 35,589, 53,391.08 and 10,631

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Solution

The fourth proportional to 35,589, 53,391.08 and 10,631 is: 15,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,589 : 53,391.08 = 10,631 : x
  2. Step 2: Convert to fraction form
    35,589/53,391.08 = 10,631/x
  3. Step 3: Cross multiply
    35,589x = 53,391.08 × 10,631
  4. Step 4: Simplify right side
    35,589x = 567,600,571.48
  5. Step 5: Solve for x
    x = 567,600,571.48/35,589
  6. Step 6: Final answer
    x = 15,948.76

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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.