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Finding the Fourth Proportional to 66,452.67, 99,684.54 and 19,067.67

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Solution

The fourth proportional to 66,452.67, 99,684.54 and 19,067.67 is: 28,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,452.67 : 99,684.54 = 19,067.67 : x
  2. Step 2: Convert to fraction form
    66,452.67/99,684.54 = 19,067.67/x
  3. Step 3: Cross multiply
    66,452.67x = 99,684.54 × 19,067.67
  4. Step 4: Simplify right side
    66,452.67x = 1,900,751,912.82
  5. Step 5: Solve for x
    x = 1,900,751,912.82/66,452.67
  6. Step 6: Final answer
    x = 28,603.09

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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.