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Finding the Fourth Proportional to 84,383.56, 126,576.48 and 22,054

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Solution

The fourth proportional to 84,383.56, 126,576.48 and 22,054 is: 33,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,383.56 : 126,576.48 = 22,054 : x
  2. Step 2: Convert to fraction form
    84,383.56/126,576.48 = 22,054/x
  3. Step 3: Cross multiply
    84,383.56x = 126,576.48 × 22,054
  4. Step 4: Simplify right side
    84,383.56x = 2,791,517,689.92
  5. Step 5: Solve for x
    x = 2,791,517,689.92/84,383.56
  6. Step 6: Final answer
    x = 33,081.30

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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.