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Finding the Fourth Proportional to 36,765.70, 55,059.73 and 20,922.73

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Solution

The fourth proportional to 36,765.70, 55,059.73 and 20,922.73 is: 31,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.70 : 55,059.73 = 20,922.73 : x
  2. Step 2: Convert to fraction form
    36,765.70/55,059.73 = 20,922.73/x
  3. Step 3: Cross multiply
    36,765.70x = 55,059.73 × 20,922.73
  4. Step 4: Simplify right side
    36,765.70x = 1,151,999,864.66
  5. Step 5: Solve for x
    x = 1,151,999,864.66/36,765.70
  6. Step 6: Final answer
    x = 31,333.55

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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.