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Finding the Fourth Proportional to 75,276.29, 112,958.17 and 33,723.29

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Solution

The fourth proportional to 75,276.29, 112,958.17 and 33,723.29 is: 50,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.29 : 112,958.17 = 33,723.29 : x
  2. Step 2: Convert to fraction form
    75,276.29/112,958.17 = 33,723.29/x
  3. Step 3: Cross multiply
    75,276.29x = 112,958.17 × 33,723.29
  4. Step 4: Simplify right side
    75,276.29x = 3,809,321,322.87
  5. Step 5: Solve for x
    x = 3,809,321,322.87/75,276.29
  6. Step 6: Final answer
    x = 50,604.53

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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.