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Finding the Fourth Proportional to 55,467.96, 83,215.07 and 18,028.04

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Solution

The fourth proportional to 55,467.96, 83,215.07 and 18,028.04 is: 27,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,467.96 : 83,215.07 = 18,028.04 : x
  2. Step 2: Convert to fraction form
    55,467.96/83,215.07 = 18,028.04/x
  3. Step 3: Cross multiply
    55,467.96x = 83,215.07 × 18,028.04
  4. Step 4: Simplify right side
    55,467.96x = 1,500,204,171.95
  5. Step 5: Solve for x
    x = 1,500,204,171.95/55,467.96
  6. Step 6: Final answer
    x = 27,046.32

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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.