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Finding the Fourth Proportional to 3,194.98, 4,792.98 and 1,115.56

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Solution

The fourth proportional to 3,194.98, 4,792.98 and 1,115.56 is: 1,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.98 : 4,792.98 = 1,115.56 : x
  2. Step 2: Convert to fraction form
    3,194.98/4,792.98 = 1,115.56/x
  3. Step 3: Cross multiply
    3,194.98x = 4,792.98 × 1,115.56
  4. Step 4: Simplify right side
    3,194.98x = 5,346,856.77
  5. Step 5: Solve for x
    x = 5,346,856.77/3,194.98
  6. Step 6: Final answer
    x = 1,673.52

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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.