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Finding the Fourth Proportional to 53,355.75, 73,629.91 and 29,481.91

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Solution

The fourth proportional to 53,355.75, 73,629.91 and 29,481.91 is: 40,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.75 : 73,629.91 = 29,481.91 : x
  2. Step 2: Convert to fraction form
    53,355.75/73,629.91 = 29,481.91/x
  3. Step 3: Cross multiply
    53,355.75x = 73,629.91 × 29,481.91
  4. Step 4: Simplify right side
    53,355.75x = 2,170,750,232.71
  5. Step 5: Solve for x
    x = 2,170,750,232.71/53,355.75
  6. Step 6: Final answer
    x = 40,684.47

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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.