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Finding the Fourth Proportional to 2,449.77, 3,673.14 and 805.88

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Solution

The fourth proportional to 2,449.77, 3,673.14 and 805.88 is: 1,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.77 : 3,673.14 = 805.88 : x
  2. Step 2: Convert to fraction form
    2,449.77/3,673.14 = 805.88/x
  3. Step 3: Cross multiply
    2,449.77x = 3,673.14 × 805.88
  4. Step 4: Simplify right side
    2,449.77x = 2,960,091.70
  5. Step 5: Solve for x
    x = 2,960,091.70/2,449.77
  6. Step 6: Final answer
    x = 1,208.31

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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.