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Finding the Fourth Proportional to 36,795.51, 50,777.55 and 20,028.51

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Solution

The fourth proportional to 36,795.51, 50,777.55 and 20,028.51 is: 27,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,795.51 : 50,777.55 = 20,028.51 : x
  2. Step 2: Convert to fraction form
    36,795.51/50,777.55 = 20,028.51/x
  3. Step 3: Cross multiply
    36,795.51x = 50,777.55 × 20,028.51
  4. Step 4: Simplify right side
    36,795.51x = 1,016,998,667.95
  5. Step 5: Solve for x
    x = 1,016,998,667.95/36,795.51
  6. Step 6: Final answer
    x = 27,639.21

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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.