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Finding the Fourth Proportional to 43,936.50, 65,891.12 and 15,852.90

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Solution

The fourth proportional to 43,936.50, 65,891.12 and 15,852.90 is: 23,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,936.50 : 65,891.12 = 15,852.90 : x
  2. Step 2: Convert to fraction form
    43,936.50/65,891.12 = 15,852.90/x
  3. Step 3: Cross multiply
    43,936.50x = 65,891.12 × 15,852.90
  4. Step 4: Simplify right side
    43,936.50x = 1,044,565,336.25
  5. Step 5: Solve for x
    x = 1,044,565,336.25/43,936.50
  6. Step 6: Final answer
    x = 23,774.43

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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.