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Finding the Fourth Proportional to 9,287.44, 13,938.48 and 4,906.48

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Solution

The fourth proportional to 9,287.44, 13,938.48 and 4,906.48 is: 7,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.44 : 13,938.48 = 4,906.48 : x
  2. Step 2: Convert to fraction form
    9,287.44/13,938.48 = 4,906.48/x
  3. Step 3: Cross multiply
    9,287.44x = 13,938.48 × 4,906.48
  4. Step 4: Simplify right side
    9,287.44x = 68,388,873.35
  5. Step 5: Solve for x
    x = 68,388,873.35/9,287.44
  6. Step 6: Final answer
    x = 7,363.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.