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Finding the Fourth Proportional to 62,774.25, 86,629.08 and 34,480.56

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Solution

The fourth proportional to 62,774.25, 86,629.08 and 34,480.56 is: 47,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,774.25 : 86,629.08 = 34,480.56 : x
  2. Step 2: Convert to fraction form
    62,774.25/86,629.08 = 34,480.56/x
  3. Step 3: Cross multiply
    62,774.25x = 86,629.08 × 34,480.56
  4. Step 4: Simplify right side
    62,774.25x = 2,987,019,190.68
  5. Step 5: Solve for x
    x = 2,987,019,190.68/62,774.25
  6. Step 6: Final answer
    x = 47,583.51

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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.