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Finding the Fourth Proportional to 43,893.54, 65,711.04 and 27,199.92

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Solution

The fourth proportional to 43,893.54, 65,711.04 and 27,199.92 is: 40,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.54 : 65,711.04 = 27,199.92 : x
  2. Step 2: Convert to fraction form
    43,893.54/65,711.04 = 27,199.92/x
  3. Step 3: Cross multiply
    43,893.54x = 65,711.04 × 27,199.92
  4. Step 4: Simplify right side
    43,893.54x = 1,787,335,031.12
  5. Step 5: Solve for x
    x = 1,787,335,031.12/43,893.54
  6. Step 6: Final answer
    x = 40,719.77

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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.