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Finding the Fourth Proportional to 34,793.98, 48,015.80 and 18,878.56

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Solution

The fourth proportional to 34,793.98, 48,015.80 and 18,878.56 is: 26,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,793.98 : 48,015.80 = 18,878.56 : x
  2. Step 2: Convert to fraction form
    34,793.98/48,015.80 = 18,878.56/x
  3. Step 3: Cross multiply
    34,793.98x = 48,015.80 × 18,878.56
  4. Step 4: Simplify right side
    34,793.98x = 906,469,161.25
  5. Step 5: Solve for x
    x = 906,469,161.25/34,793.98
  6. Step 6: Final answer
    x = 26,052.47

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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.