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Finding the Fourth Proportional to 49,668, 68,556.42 and 29,539.14

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Solution

The fourth proportional to 49,668, 68,556.42 and 29,539.14 is: 40,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668 : 68,556.42 = 29,539.14 : x
  2. Step 2: Convert to fraction form
    49,668/68,556.42 = 29,539.14/x
  3. Step 3: Cross multiply
    49,668x = 68,556.42 × 29,539.14
  4. Step 4: Simplify right side
    49,668x = 2,025,097,688.28
  5. Step 5: Solve for x
    x = 2,025,097,688.28/49,668
  6. Step 6: Final answer
    x = 40,772.68

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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.