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Finding the Fourth Proportional to 36,793.81, 55,191.09 and 19,297.81

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Solution

The fourth proportional to 36,793.81, 55,191.09 and 19,297.81 is: 28,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,793.81 : 55,191.09 = 19,297.81 : x
  2. Step 2: Convert to fraction form
    36,793.81/55,191.09 = 19,297.81/x
  3. Step 3: Cross multiply
    36,793.81x = 55,191.09 × 19,297.81
  4. Step 4: Simplify right side
    36,793.81x = 1,065,067,168.51
  5. Step 5: Solve for x
    x = 1,065,067,168.51/36,793.81
  6. Step 6: Final answer
    x = 28,946.91

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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.