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Finding the Fourth Proportional to 2,773.12, 4,162.12 and 2,340.60

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Solution

The fourth proportional to 2,773.12, 4,162.12 and 2,340.60 is: 3,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.12 : 4,162.12 = 2,340.60 : x
  2. Step 2: Convert to fraction form
    2,773.12/4,162.12 = 2,340.60/x
  3. Step 3: Cross multiply
    2,773.12x = 4,162.12 × 2,340.60
  4. Step 4: Simplify right side
    2,773.12x = 9,741,858.07
  5. Step 5: Solve for x
    x = 9,741,858.07/2,773.12
  6. Step 6: Final answer
    x = 3,512.96

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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.