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Finding the Fourth Proportional to 33,396, 46,087.92 and 18,492

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Solution

The fourth proportional to 33,396, 46,087.92 and 18,492 is: 25,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396 : 46,087.92 = 18,492 : x
  2. Step 2: Convert to fraction form
    33,396/46,087.92 = 18,492/x
  3. Step 3: Cross multiply
    33,396x = 46,087.92 × 18,492
  4. Step 4: Simplify right side
    33,396x = 852,257,816.64
  5. Step 5: Solve for x
    x = 852,257,816.64/33,396
  6. Step 6: Final answer
    x = 25,519.76

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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.