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Finding the Fourth Proportional to 33,397, 46,089.32 and 18,493

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Solution

The fourth proportional to 33,397, 46,089.32 and 18,493 is: 25,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,397 : 46,089.32 = 18,493 : x
  2. Step 2: Convert to fraction form
    33,397/46,089.32 = 18,493/x
  3. Step 3: Cross multiply
    33,397x = 46,089.32 × 18,493
  4. Step 4: Simplify right side
    33,397x = 852,329,794.76
  5. Step 5: Solve for x
    x = 852,329,794.76/33,397
  6. Step 6: Final answer
    x = 25,521.15

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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.