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Finding the Fourth Proportional to 43,936.03, 65,906.07 and 14,354.02

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Solution

The fourth proportional to 43,936.03, 65,906.07 and 14,354.02 is: 21,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,936.03 : 65,906.07 = 14,354.02 : x
  2. Step 2: Convert to fraction form
    43,936.03/65,906.07 = 14,354.02/x
  3. Step 3: Cross multiply
    43,936.03x = 65,906.07 × 14,354.02
  4. Step 4: Simplify right side
    43,936.03x = 946,017,046.90
  5. Step 5: Solve for x
    x = 946,017,046.90/43,936.03
  6. Step 6: Final answer
    x = 21,531.69

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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.