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Finding the Fourth Proportional to 2,792.62, 4,189.62 and 844.84

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Solution

The fourth proportional to 2,792.62, 4,189.62 and 844.84 is: 1,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.62 : 4,189.62 = 844.84 : x
  2. Step 2: Convert to fraction form
    2,792.62/4,189.62 = 844.84/x
  3. Step 3: Cross multiply
    2,792.62x = 4,189.62 × 844.84
  4. Step 4: Simplify right side
    2,792.62x = 3,539,558.56
  5. Step 5: Solve for x
    x = 3,539,558.56/2,792.62
  6. Step 6: Final answer
    x = 1,267.47

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1.5x scale

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.