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Finding the Fourth Proportional to 3,394.63, 4,684.79 and 2,553.84

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Solution

The fourth proportional to 3,394.63, 4,684.79 and 2,553.84 is: 3,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.63 : 4,684.79 = 2,553.84 : x
  2. Step 2: Convert to fraction form
    3,394.63/4,684.79 = 2,553.84/x
  3. Step 3: Cross multiply
    3,394.63x = 4,684.79 × 2,553.84
  4. Step 4: Simplify right side
    3,394.63x = 11,964,189.22
  5. Step 5: Solve for x
    x = 11,964,189.22/3,394.63
  6. Step 6: Final answer
    x = 3,524.44

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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.