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Finding the Fourth Proportional to 33,846.60, 46,706.76 and 18,738.20

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Solution

The fourth proportional to 33,846.60, 46,706.76 and 18,738.20 is: 25,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,846.60 : 46,706.76 = 18,738.20 : x
  2. Step 2: Convert to fraction form
    33,846.60/46,706.76 = 18,738.20/x
  3. Step 3: Cross multiply
    33,846.60x = 46,706.76 × 18,738.20
  4. Step 4: Simplify right side
    33,846.60x = 875,200,610.23
  5. Step 5: Solve for x
    x = 875,200,610.23/33,846.60
  6. Step 6: Final answer
    x = 25,857.86

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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.