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Finding the Fourth Proportional to 69,321.62, 95,668.26 and 39,095.90

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Solution

The fourth proportional to 69,321.62, 95,668.26 and 39,095.90 is: 53,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,321.62 : 95,668.26 = 39,095.90 : x
  2. Step 2: Convert to fraction form
    69,321.62/95,668.26 = 39,095.90/x
  3. Step 3: Cross multiply
    69,321.62x = 95,668.26 × 39,095.90
  4. Step 4: Simplify right side
    69,321.62x = 3,740,236,459.94
  5. Step 5: Solve for x
    x = 3,740,236,459.94/69,321.62
  6. Step 6: Final answer
    x = 53,954.83

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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.