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Finding the Fourth Proportional to 2,893.40, 4,340.10 and 2,723.30

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Solution

The fourth proportional to 2,893.40, 4,340.10 and 2,723.30 is: 4,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.40 : 4,340.10 = 2,723.30 : x
  2. Step 2: Convert to fraction form
    2,893.40/4,340.10 = 2,723.30/x
  3. Step 3: Cross multiply
    2,893.40x = 4,340.10 × 2,723.30
  4. Step 4: Simplify right side
    2,893.40x = 11,819,394.33
  5. Step 5: Solve for x
    x = 11,819,394.33/2,893.40
  6. Step 6: Final answer
    x = 4,084.95

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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.