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Finding the Fourth Proportional to 43,893.17, 65,824.17 and 15,805.68

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Solution

The fourth proportional to 43,893.17, 65,824.17 and 15,805.68 is: 23,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.17 : 65,824.17 = 15,805.68 : x
  2. Step 2: Convert to fraction form
    43,893.17/65,824.17 = 15,805.68/x
  3. Step 3: Cross multiply
    43,893.17x = 65,824.17 × 15,805.68
  4. Step 4: Simplify right side
    43,893.17x = 1,040,395,767.29
  5. Step 5: Solve for x
    x = 1,040,395,767.29/43,893.17
  6. Step 6: Final answer
    x = 23,702.91

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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.