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Finding the Fourth Proportional to 53,074.56, 73,212.48 and 33,168

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Solution

The fourth proportional to 53,074.56, 73,212.48 and 33,168 is: 45,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.56 : 73,212.48 = 33,168 : x
  2. Step 2: Convert to fraction form
    53,074.56/73,212.48 = 33,168/x
  3. Step 3: Cross multiply
    53,074.56x = 73,212.48 × 33,168
  4. Step 4: Simplify right side
    53,074.56x = 2,428,311,536.64
  5. Step 5: Solve for x
    x = 2,428,311,536.64/53,074.56
  6. Step 6: Final answer
    x = 45,752.83

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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.