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Finding the Fourth Proportional to 53,194.50, 79,791.99 and 15,755.25

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Solution

The fourth proportional to 53,194.50, 79,791.99 and 15,755.25 is: 23,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.50 : 79,791.99 = 15,755.25 : x
  2. Step 2: Convert to fraction form
    53,194.50/79,791.99 = 15,755.25/x
  3. Step 3: Cross multiply
    53,194.50x = 79,791.99 × 15,755.25
  4. Step 4: Simplify right side
    53,194.50x = 1,257,142,750.45
  5. Step 5: Solve for x
    x = 1,257,142,750.45/53,194.50
  6. Step 6: Final answer
    x = 23,632.95

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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.