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Finding the Fourth Proportional to 54,469.53, 81,675.14 and 23,287.77

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Solution

The fourth proportional to 54,469.53, 81,675.14 and 23,287.77 is: 34,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,469.53 : 81,675.14 = 23,287.77 : x
  2. Step 2: Convert to fraction form
    54,469.53/81,675.14 = 23,287.77/x
  3. Step 3: Cross multiply
    54,469.53x = 81,675.14 × 23,287.77
  4. Step 4: Simplify right side
    54,469.53x = 1,902,031,758.60
  5. Step 5: Solve for x
    x = 1,902,031,758.60/54,469.53
  6. Step 6: Final answer
    x = 34,919.19

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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.