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Finding the Fourth Proportional to 68,330, 94,295.42 and 38,522

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Solution

The fourth proportional to 68,330, 94,295.42 and 38,522 is: 53,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330 : 94,295.42 = 38,522 : x
  2. Step 2: Convert to fraction form
    68,330/94,295.42 = 38,522/x
  3. Step 3: Cross multiply
    68,330x = 94,295.42 × 38,522
  4. Step 4: Simplify right side
    68,330x = 3,632,448,169.24
  5. Step 5: Solve for x
    x = 3,632,448,169.24/68,330
  6. Step 6: Final answer
    x = 53,160.37

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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.