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Finding the Fourth Proportional to 69,314.88, 95,650.08 and 39,504.96

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Solution

The fourth proportional to 69,314.88, 95,650.08 and 39,504.96 is: 54,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,314.88 : 95,650.08 = 39,504.96 : x
  2. Step 2: Convert to fraction form
    69,314.88/95,650.08 = 39,504.96/x
  3. Step 3: Cross multiply
    69,314.88x = 95,650.08 × 39,504.96
  4. Step 4: Simplify right side
    69,314.88x = 3,778,652,584.40
  5. Step 5: Solve for x
    x = 3,778,652,584.40/69,314.88
  6. Step 6: Final answer
    x = 54,514.31

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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.