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Finding the Fourth Proportional to 55,137.63, 82,694.03 and 15,693.87

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Solution

The fourth proportional to 55,137.63, 82,694.03 and 15,693.87 is: 23,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,137.63 : 82,694.03 = 15,693.87 : x
  2. Step 2: Convert to fraction form
    55,137.63/82,694.03 = 15,693.87/x
  3. Step 3: Cross multiply
    55,137.63x = 82,694.03 × 15,693.87
  4. Step 4: Simplify right side
    55,137.63x = 1,297,789,278.13
  5. Step 5: Solve for x
    x = 1,297,789,278.13/55,137.63
  6. Step 6: Final answer
    x = 23,537.27

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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.