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Finding the Fourth Proportional to 26,793.95, 36,933.03 and 21,119.49

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Solution

The fourth proportional to 26,793.95, 36,933.03 and 21,119.49 is: 29,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,793.95 : 36,933.03 = 21,119.49 : x
  2. Step 2: Convert to fraction form
    26,793.95/36,933.03 = 21,119.49/x
  3. Step 3: Cross multiply
    26,793.95x = 36,933.03 × 21,119.49
  4. Step 4: Simplify right side
    26,793.95x = 780,006,757.75
  5. Step 5: Solve for x
    x = 780,006,757.75/26,793.95
  6. Step 6: Final answer
    x = 29,111.31

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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.