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Finding the Fourth Proportional to 53,619.48, 73,994.28 and 29,745.48

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Solution

The fourth proportional to 53,619.48, 73,994.28 and 29,745.48 is: 41,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.48 : 73,994.28 = 29,745.48 : x
  2. Step 2: Convert to fraction form
    53,619.48/73,994.28 = 29,745.48/x
  3. Step 3: Cross multiply
    53,619.48x = 73,994.28 × 29,745.48
  4. Step 4: Simplify right side
    53,619.48x = 2,200,995,375.85
  5. Step 5: Solve for x
    x = 2,200,995,375.85/53,619.48
  6. Step 6: Final answer
    x = 41,048.43

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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.