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Finding the Fourth Proportional to 33,265.99, 45,907.23 and 18,159

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Solution

The fourth proportional to 33,265.99, 45,907.23 and 18,159 is: 25,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,265.99 : 45,907.23 = 18,159 : x
  2. Step 2: Convert to fraction form
    33,265.99/45,907.23 = 18,159/x
  3. Step 3: Cross multiply
    33,265.99x = 45,907.23 × 18,159
  4. Step 4: Simplify right side
    33,265.99x = 833,629,389.57
  5. Step 5: Solve for x
    x = 833,629,389.57/33,265.99
  6. Step 6: Final answer
    x = 25,059.51

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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.