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Finding the Fourth Proportional to 33,680.80, 46,479.82 and 18,573.99

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Solution

The fourth proportional to 33,680.80, 46,479.82 and 18,573.99 is: 25,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,680.80 : 46,479.82 = 18,573.99 : x
  2. Step 2: Convert to fraction form
    33,680.80/46,479.82 = 18,573.99/x
  3. Step 3: Cross multiply
    33,680.80x = 46,479.82 × 18,573.99
  4. Step 4: Simplify right side
    33,680.80x = 863,315,665.45
  5. Step 5: Solve for x
    x = 863,315,665.45/33,680.80
  6. Step 6: Final answer
    x = 25,632.28

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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.