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Finding the Fourth Proportional to 2,744.76, 4,115.22 and 1,012.92

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Solution

The fourth proportional to 2,744.76, 4,115.22 and 1,012.92 is: 1,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.76 : 4,115.22 = 1,012.92 : x
  2. Step 2: Convert to fraction form
    2,744.76/4,115.22 = 1,012.92/x
  3. Step 3: Cross multiply
    2,744.76x = 4,115.22 × 1,012.92
  4. Step 4: Simplify right side
    2,744.76x = 4,168,388.64
  5. Step 5: Solve for x
    x = 4,168,388.64/2,744.76
  6. Step 6: Final answer
    x = 1,518.67

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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.