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Finding the Fourth Proportional to 33,057.39, 45,619.17 and 18,153.39

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Solution

The fourth proportional to 33,057.39, 45,619.17 and 18,153.39 is: 25,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.39 : 45,619.17 = 18,153.39 : x
  2. Step 2: Convert to fraction form
    33,057.39/45,619.17 = 18,153.39/x
  3. Step 3: Cross multiply
    33,057.39x = 45,619.17 × 18,153.39
  4. Step 4: Simplify right side
    33,057.39x = 828,142,584.49
  5. Step 5: Solve for x
    x = 828,142,584.49/33,057.39
  6. Step 6: Final answer
    x = 25,051.66

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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.