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Finding the Fourth Proportional to 2,468.63, 3,405.12 and 1,662.44

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Solution

The fourth proportional to 2,468.63, 3,405.12 and 1,662.44 is: 2,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.63 : 3,405.12 = 1,662.44 : x
  2. Step 2: Convert to fraction form
    2,468.63/3,405.12 = 1,662.44/x
  3. Step 3: Cross multiply
    2,468.63x = 3,405.12 × 1,662.44
  4. Step 4: Simplify right side
    2,468.63x = 5,660,790.67
  5. Step 5: Solve for x
    x = 5,660,790.67/2,468.63
  6. Step 6: Final answer
    x = 2,293.09

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1.5x scale

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.