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Finding the Fourth Proportional to 3,618.88, 4,994.26 and 2,733.14

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Solution

The fourth proportional to 3,618.88, 4,994.26 and 2,733.14 is: 3,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.88 : 4,994.26 = 2,733.14 : x
  2. Step 2: Convert to fraction form
    3,618.88/4,994.26 = 2,733.14/x
  3. Step 3: Cross multiply
    3,618.88x = 4,994.26 × 2,733.14
  4. Step 4: Simplify right side
    3,618.88x = 13,650,017.43
  5. Step 5: Solve for x
    x = 13,650,017.43/3,618.88
  6. Step 6: Final answer
    x = 3,771.89

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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.