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Finding the Fourth Proportional to 48,680.80, 73,040.40 and 19,093.60

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Solution

The fourth proportional to 48,680.80, 73,040.40 and 19,093.60 is: 28,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,680.80 : 73,040.40 = 19,093.60 : x
  2. Step 2: Convert to fraction form
    48,680.80/73,040.40 = 19,093.60/x
  3. Step 3: Cross multiply
    48,680.80x = 73,040.40 × 19,093.60
  4. Step 4: Simplify right side
    48,680.80x = 1,394,604,181.44
  5. Step 5: Solve for x
    x = 1,394,604,181.44/48,680.80
  6. Step 6: Final answer
    x = 28,647.93

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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.