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Finding the Fourth Proportional to 36,255.97, 50,034 and 20,341.50

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Solution

The fourth proportional to 36,255.97, 50,034 and 20,341.50 is: 28,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,255.97 : 50,034 = 20,341.50 : x
  2. Step 2: Convert to fraction form
    36,255.97/50,034 = 20,341.50/x
  3. Step 3: Cross multiply
    36,255.97x = 50,034 × 20,341.50
  4. Step 4: Simplify right side
    36,255.97x = 1,017,766,611
  5. Step 5: Solve for x
    x = 1,017,766,611/36,255.97
  6. Step 6: Final answer
    x = 28,071.70

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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.