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Finding the Fourth Proportional to 49,713.76, 74,422.56 and 33,016

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Solution

The fourth proportional to 49,713.76, 74,422.56 and 33,016 is: 49,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,713.76 : 74,422.56 = 33,016 : x
  2. Step 2: Convert to fraction form
    49,713.76/74,422.56 = 33,016/x
  3. Step 3: Cross multiply
    49,713.76x = 74,422.56 × 33,016
  4. Step 4: Simplify right side
    49,713.76x = 2,457,135,240.96
  5. Step 5: Solve for x
    x = 2,457,135,240.96/49,713.76
  6. Step 6: Final answer
    x = 49,425.66

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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.