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Finding the Fourth Proportional to 36,294, 50,081.67 and 20,376.24

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Solution

The fourth proportional to 36,294, 50,081.67 and 20,376.24 is: 28,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294 : 50,081.67 = 20,376.24 : x
  2. Step 2: Convert to fraction form
    36,294/50,081.67 = 20,376.24/x
  3. Step 3: Cross multiply
    36,294x = 50,081.67 × 20,376.24
  4. Step 4: Simplify right side
    36,294x = 1,020,476,127.52
  5. Step 5: Solve for x
    x = 1,020,476,127.52/36,294
  6. Step 6: Final answer
    x = 28,116.94

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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.