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Finding the Fourth Proportional to 2,792.12, 3,851.38 and 1,795.67

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Solution

The fourth proportional to 2,792.12, 3,851.38 and 1,795.67 is: 2,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.12 : 3,851.38 = 1,795.67 : x
  2. Step 2: Convert to fraction form
    2,792.12/3,851.38 = 1,795.67/x
  3. Step 3: Cross multiply
    2,792.12x = 3,851.38 × 1,795.67
  4. Step 4: Simplify right side
    2,792.12x = 6,915,788.27
  5. Step 5: Solve for x
    x = 6,915,788.27/2,792.12
  6. Step 6: Final answer
    x = 2,476.90

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Why These Related Problems?

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