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Finding the Fourth Proportional to 33,999.80, 50,999.70 and 14,273.06

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Solution

The fourth proportional to 33,999.80, 50,999.70 and 14,273.06 is: 21,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.80 : 50,999.70 = 14,273.06 : x
  2. Step 2: Convert to fraction form
    33,999.80/50,999.70 = 14,273.06/x
  3. Step 3: Cross multiply
    33,999.80x = 50,999.70 × 14,273.06
  4. Step 4: Simplify right side
    33,999.80x = 727,921,778.08
  5. Step 5: Solve for x
    x = 727,921,778.08/33,999.80
  6. Step 6: Final answer
    x = 21,409.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.