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Finding the Fourth Proportional to 33,893, 46,772.58 and 18,989

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Solution

The fourth proportional to 33,893, 46,772.58 and 18,989 is: 26,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,893 : 46,772.58 = 18,989 : x
  2. Step 2: Convert to fraction form
    33,893/46,772.58 = 18,989/x
  3. Step 3: Cross multiply
    33,893x = 46,772.58 × 18,989
  4. Step 4: Simplify right side
    33,893x = 888,164,521.62
  5. Step 5: Solve for x
    x = 888,164,521.62/33,893
  6. Step 6: Final answer
    x = 26,204.95

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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.