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Finding the Fourth Proportional to 66,783.22, 92,162.93 and 36,571.41

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Solution

The fourth proportional to 66,783.22, 92,162.93 and 36,571.41 is: 50,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,783.22 : 92,162.93 = 36,571.41 : x
  2. Step 2: Convert to fraction form
    66,783.22/92,162.93 = 36,571.41/x
  3. Step 3: Cross multiply
    66,783.22x = 92,162.93 × 36,571.41
  4. Step 4: Simplify right side
    66,783.22x = 3,370,527,978.00
  5. Step 5: Solve for x
    x = 3,370,527,978.00/66,783.22
  6. Step 6: Final answer
    x = 50,469.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.