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Finding the Fourth Proportional to 7,410.99, 11,120.88 and 2,734.29

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Solution

The fourth proportional to 7,410.99, 11,120.88 and 2,734.29 is: 4,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.99 : 11,120.88 = 2,734.29 : x
  2. Step 2: Convert to fraction form
    7,410.99/11,120.88 = 2,734.29/x
  3. Step 3: Cross multiply
    7,410.99x = 11,120.88 × 2,734.29
  4. Step 4: Simplify right side
    7,410.99x = 30,407,697.30
  5. Step 5: Solve for x
    x = 30,407,697.30/7,410.99
  6. Step 6: Final answer
    x = 4,103.05

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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.