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Finding the Fourth Proportional to 43,937.97, 65,893.31 and 15,854.37

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Solution

The fourth proportional to 43,937.97, 65,893.31 and 15,854.37 is: 23,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,937.97 : 65,893.31 = 15,854.37 : x
  2. Step 2: Convert to fraction form
    43,937.97/65,893.31 = 15,854.37/x
  3. Step 3: Cross multiply
    43,937.97x = 65,893.31 × 15,854.37
  4. Step 4: Simplify right side
    43,937.97x = 1,044,696,917.26
  5. Step 5: Solve for x
    x = 1,044,696,917.26/43,937.97
  6. Step 6: Final answer
    x = 23,776.63

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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.