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Finding the Fourth Proportional to 9,368.10, 14,052.87 and 2,793.78

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Solution

The fourth proportional to 9,368.10, 14,052.87 and 2,793.78 is: 4,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.10 : 14,052.87 = 2,793.78 : x
  2. Step 2: Convert to fraction form
    9,368.10/14,052.87 = 2,793.78/x
  3. Step 3: Cross multiply
    9,368.10x = 14,052.87 × 2,793.78
  4. Step 4: Simplify right side
    9,368.10x = 39,260,627.15
  5. Step 5: Solve for x
    x = 39,260,627.15/9,368.10
  6. Step 6: Final answer
    x = 4,190.88

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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.