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Finding the Fourth Proportional to 68,882.95, 95,058.42 and 38,668.33

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Solution

The fourth proportional to 68,882.95, 95,058.42 and 38,668.33 is: 53,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,882.95 : 95,058.42 = 38,668.33 : x
  2. Step 2: Convert to fraction form
    68,882.95/95,058.42 = 38,668.33/x
  3. Step 3: Cross multiply
    68,882.95x = 95,058.42 × 38,668.33
  4. Step 4: Simplify right side
    68,882.95x = 3,675,749,792.95
  5. Step 5: Solve for x
    x = 3,675,749,792.95/68,882.95
  6. Step 6: Final answer
    x = 53,362.26

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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.