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Finding the Fourth Proportional to 62,676.94, 86,481.84 and 37,178.50

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Solution

The fourth proportional to 62,676.94, 86,481.84 and 37,178.50 is: 51,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676.94 : 86,481.84 = 37,178.50 : x
  2. Step 2: Convert to fraction form
    62,676.94/86,481.84 = 37,178.50/x
  3. Step 3: Cross multiply
    62,676.94x = 86,481.84 × 37,178.50
  4. Step 4: Simplify right side
    62,676.94x = 3,215,265,088.44
  5. Step 5: Solve for x
    x = 3,215,265,088.44/62,676.94
  6. Step 6: Final answer
    x = 51,299.01

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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.