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Finding the Fourth Proportional to 7,793.50, 10,756.02 and 5,146.42

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Solution

The fourth proportional to 7,793.50, 10,756.02 and 5,146.42 is: 7,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.50 : 10,756.02 = 5,146.42 : x
  2. Step 2: Convert to fraction form
    7,793.50/10,756.02 = 5,146.42/x
  3. Step 3: Cross multiply
    7,793.50x = 10,756.02 × 5,146.42
  4. Step 4: Simplify right side
    7,793.50x = 55,354,996.45
  5. Step 5: Solve for x
    x = 55,354,996.45/7,793.50
  6. Step 6: Final answer
    x = 7,102.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.