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Finding the Fourth Proportional to 23,708, 35,556.60 and 8,918.48

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Solution

The fourth proportional to 23,708, 35,556.60 and 8,918.48 is: 13,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,708 : 35,556.60 = 8,918.48 : x
  2. Step 2: Convert to fraction form
    23,708/35,556.60 = 8,918.48/x
  3. Step 3: Cross multiply
    23,708x = 35,556.60 × 8,918.48
  4. Step 4: Simplify right side
    23,708x = 317,110,825.97
  5. Step 5: Solve for x
    x = 317,110,825.97/23,708
  6. Step 6: Final answer
    x = 13,375.69

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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.