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Finding the Fourth Proportional to 28,868.67, 43,304.67 and 8,093.79

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Solution

The fourth proportional to 28,868.67, 43,304.67 and 8,093.79 is: 12,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.67 : 43,304.67 = 8,093.79 : x
  2. Step 2: Convert to fraction form
    28,868.67/43,304.67 = 8,093.79/x
  3. Step 3: Cross multiply
    28,868.67x = 43,304.67 × 8,093.79
  4. Step 4: Simplify right side
    28,868.67x = 350,498,905.00
  5. Step 5: Solve for x
    x = 350,498,905.00/28,868.67
  6. Step 6: Final answer
    x = 12,141.15

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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.