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Finding the Fourth Proportional to 62,722, 86,556.32 and 35,497.59

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Solution

The fourth proportional to 62,722, 86,556.32 and 35,497.59 is: 48,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,722 : 86,556.32 = 35,497.59 : x
  2. Step 2: Convert to fraction form
    62,722/86,556.32 = 35,497.59/x
  3. Step 3: Cross multiply
    62,722x = 86,556.32 × 35,497.59
  4. Step 4: Simplify right side
    62,722x = 3,072,540,759.27
  5. Step 5: Solve for x
    x = 3,072,540,759.27/62,722
  6. Step 6: Final answer
    x = 48,986.65

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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.