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Finding the Fourth Proportional to 36,703.73, 50,654.70 and 20,573.78

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Solution

The fourth proportional to 36,703.73, 50,654.70 and 20,573.78 is: 28,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.73 : 50,654.70 = 20,573.78 : x
  2. Step 2: Convert to fraction form
    36,703.73/50,654.70 = 20,573.78/x
  3. Step 3: Cross multiply
    36,703.73x = 50,654.70 × 20,573.78
  4. Step 4: Simplify right side
    36,703.73x = 1,042,158,653.77
  5. Step 5: Solve for x
    x = 1,042,158,653.77/36,703.73
  6. Step 6: Final answer
    x = 28,393.81

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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.