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Finding the Fourth Proportional to 36,804, 50,789.76 and 20,037.12

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Solution

The fourth proportional to 36,804, 50,789.76 and 20,037.12 is: 27,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,804 : 50,789.76 = 20,037.12 : x
  2. Step 2: Convert to fraction form
    36,804/50,789.76 = 20,037.12/x
  3. Step 3: Cross multiply
    36,804x = 50,789.76 × 20,037.12
  4. Step 4: Simplify right side
    36,804x = 1,017,680,515.89
  5. Step 5: Solve for x
    x = 1,017,680,515.89/36,804
  6. Step 6: Final answer
    x = 27,651.36

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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.