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Finding the Fourth Proportional to 43,797.92, 65,639.77 and 20,096.91

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Solution

The fourth proportional to 43,797.92, 65,639.77 and 20,096.91 is: 30,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.92 : 65,639.77 = 20,096.91 : x
  2. Step 2: Convert to fraction form
    43,797.92/65,639.77 = 20,096.91/x
  3. Step 3: Cross multiply
    43,797.92x = 65,639.77 × 20,096.91
  4. Step 4: Simplify right side
    43,797.92x = 1,319,156,499.87
  5. Step 5: Solve for x
    x = 1,319,156,499.87/43,797.92
  6. Step 6: Final answer
    x = 30,119.16

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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.