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Finding the Fourth Proportional to 64,676.44, 89,253.15 and 36,382.33

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Solution

The fourth proportional to 64,676.44, 89,253.15 and 36,382.33 is: 50,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.44 : 89,253.15 = 36,382.33 : x
  2. Step 2: Convert to fraction form
    64,676.44/89,253.15 = 36,382.33/x
  3. Step 3: Cross multiply
    64,676.44x = 89,253.15 × 36,382.33
  4. Step 4: Simplify right side
    64,676.44x = 3,247,237,556.84
  5. Step 5: Solve for x
    x = 3,247,237,556.84/64,676.44
  6. Step 6: Final answer
    x = 50,207.43

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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.