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Finding the Fourth Proportional to 54,469.80, 75,203.16 and 36,346.44

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Solution

The fourth proportional to 54,469.80, 75,203.16 and 36,346.44 is: 50,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,469.80 : 75,203.16 = 36,346.44 : x
  2. Step 2: Convert to fraction form
    54,469.80/75,203.16 = 36,346.44/x
  3. Step 3: Cross multiply
    54,469.80x = 75,203.16 × 36,346.44
  4. Step 4: Simplify right side
    54,469.80x = 2,733,367,142.75
  5. Step 5: Solve for x
    x = 2,733,367,142.75/54,469.80
  6. Step 6: Final answer
    x = 50,181.33

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1.5x scale

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.