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Finding the Fourth Proportional to 33,153.56, 45,751.80 and 18,249.56

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Solution

The fourth proportional to 33,153.56, 45,751.80 and 18,249.56 is: 25,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.56 : 45,751.80 = 18,249.56 : x
  2. Step 2: Convert to fraction form
    33,153.56/45,751.80 = 18,249.56/x
  3. Step 3: Cross multiply
    33,153.56x = 45,751.80 × 18,249.56
  4. Step 4: Simplify right side
    33,153.56x = 834,950,219.21
  5. Step 5: Solve for x
    x = 834,950,219.21/33,153.56
  6. Step 6: Final answer
    x = 25,184.33

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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.