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Finding the Fourth Proportional to 10,793.60, 16,190.40 and 6,108.80

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Solution

The fourth proportional to 10,793.60, 16,190.40 and 6,108.80 is: 9,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.60 : 16,190.40 = 6,108.80 : x
  2. Step 2: Convert to fraction form
    10,793.60/16,190.40 = 6,108.80/x
  3. Step 3: Cross multiply
    10,793.60x = 16,190.40 × 6,108.80
  4. Step 4: Simplify right side
    10,793.60x = 98,903,915.52
  5. Step 5: Solve for x
    x = 98,903,915.52/10,793.60
  6. Step 6: Final answer
    x = 9,163.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.