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Finding the Fourth Proportional to 33,159, 45,759.44 and 18,255

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Solution

The fourth proportional to 33,159, 45,759.44 and 18,255 is: 25,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159 : 45,759.44 = 18,255 : x
  2. Step 2: Convert to fraction form
    33,159/45,759.44 = 18,255/x
  3. Step 3: Cross multiply
    33,159x = 45,759.44 × 18,255
  4. Step 4: Simplify right side
    33,159x = 835,338,485.93
  5. Step 5: Solve for x
    x = 835,338,485.93/33,159
  6. Step 6: Final answer
    x = 25,191.91

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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.