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Finding the Fourth Proportional to 69,380.52, 95,745.08 and 39,572.52

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Solution

The fourth proportional to 69,380.52, 95,745.08 and 39,572.52 is: 54,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.52 : 95,745.08 = 39,572.52 : x
  2. Step 2: Convert to fraction form
    69,380.52/95,745.08 = 39,572.52/x
  3. Step 3: Cross multiply
    69,380.52x = 95,745.08 × 39,572.52
  4. Step 4: Simplify right side
    69,380.52x = 3,788,874,093.20
  5. Step 5: Solve for x
    x = 3,788,874,093.20/69,380.52
  6. Step 6: Final answer
    x = 54,610.06

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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.