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Finding the Fourth Proportional to 33,999.58, 46,923.21 and 20,571.40

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Solution

The fourth proportional to 33,999.58, 46,923.21 and 20,571.40 is: 28,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.58 : 46,923.21 = 20,571.40 : x
  2. Step 2: Convert to fraction form
    33,999.58/46,923.21 = 20,571.40/x
  3. Step 3: Cross multiply
    33,999.58x = 46,923.21 × 20,571.40
  4. Step 4: Simplify right side
    33,999.58x = 965,276,122.19
  5. Step 5: Solve for x
    x = 965,276,122.19/33,999.58
  6. Step 6: Final answer
    x = 28,390.82

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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.