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Finding the Fourth Proportional to 36,750.48, 50,722.70 and 20,834.99

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Solution

The fourth proportional to 36,750.48, 50,722.70 and 20,834.99 is: 28,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,750.48 : 50,722.70 = 20,834.99 : x
  2. Step 2: Convert to fraction form
    36,750.48/50,722.70 = 20,834.99/x
  3. Step 3: Cross multiply
    36,750.48x = 50,722.70 × 20,834.99
  4. Step 4: Simplify right side
    36,750.48x = 1,056,806,589.48
  5. Step 5: Solve for x
    x = 1,056,806,589.48/36,750.48
  6. Step 6: Final answer
    x = 28,756.27

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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.