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Finding the Fourth Proportional to 33,749.64, 50,608.80 and 19,713.84

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Solution

The fourth proportional to 33,749.64, 50,608.80 and 19,713.84 is: 29,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,749.64 : 50,608.80 = 19,713.84 : x
  2. Step 2: Convert to fraction form
    33,749.64/50,608.80 = 19,713.84/x
  3. Step 3: Cross multiply
    33,749.64x = 50,608.80 × 19,713.84
  4. Step 4: Simplify right side
    33,749.64x = 997,693,785.79
  5. Step 5: Solve for x
    x = 997,693,785.79/33,749.64
  6. Step 6: Final answer
    x = 29,561.61

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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.