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Finding the Fourth Proportional to 33,787.80, 46,626.93 and 18,883.80

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Solution

The fourth proportional to 33,787.80, 46,626.93 and 18,883.80 is: 26,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.80 : 46,626.93 = 18,883.80 : x
  2. Step 2: Convert to fraction form
    33,787.80/46,626.93 = 18,883.80/x
  3. Step 3: Cross multiply
    33,787.80x = 46,626.93 × 18,883.80
  4. Step 4: Simplify right side
    33,787.80x = 880,493,620.73
  5. Step 5: Solve for x
    x = 880,493,620.73/33,787.80
  6. Step 6: Final answer
    x = 26,059.51

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1.5x scale

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.