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Finding the Fourth Proportional to 73,571.58, 110,344.98 and 20,968.56

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Solution

The fourth proportional to 73,571.58, 110,344.98 and 20,968.56 is: 31,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,571.58 : 110,344.98 = 20,968.56 : x
  2. Step 2: Convert to fraction form
    73,571.58/110,344.98 = 20,968.56/x
  3. Step 3: Cross multiply
    73,571.58x = 110,344.98 × 20,968.56
  4. Step 4: Simplify right side
    73,571.58x = 2,313,775,333.83
  5. Step 5: Solve for x
    x = 2,313,775,333.83/73,571.58
  6. Step 6: Final answer
    x = 31,449.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.