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Finding the Fourth Proportional to 68,481.33, 94,504.02 and 38,266.68

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Solution

The fourth proportional to 68,481.33, 94,504.02 and 38,266.68 is: 52,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,481.33 : 94,504.02 = 38,266.68 : x
  2. Step 2: Convert to fraction form
    68,481.33/94,504.02 = 38,266.68/x
  3. Step 3: Cross multiply
    68,481.33x = 94,504.02 × 38,266.68
  4. Step 4: Simplify right side
    68,481.33x = 3,616,354,619.53
  5. Step 5: Solve for x
    x = 3,616,354,619.53/68,481.33
  6. Step 6: Final answer
    x = 52,807.89

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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.