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Finding the Fourth Proportional to 60,481.44, 83,469.78 and 33,629.40

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Solution

The fourth proportional to 60,481.44, 83,469.78 and 33,629.40 is: 46,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481.44 : 83,469.78 = 33,629.40 : x
  2. Step 2: Convert to fraction form
    60,481.44/83,469.78 = 33,629.40/x
  3. Step 3: Cross multiply
    60,481.44x = 83,469.78 × 33,629.40
  4. Step 4: Simplify right side
    60,481.44x = 2,807,038,619.53
  5. Step 5: Solve for x
    x = 2,807,038,619.53/60,481.44
  6. Step 6: Final answer
    x = 46,411.57

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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.