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Finding the Fourth Proportional to 4,918.82, 7,373.43 and 2,722.95

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Solution

The fourth proportional to 4,918.82, 7,373.43 and 2,722.95 is: 4,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.82 : 7,373.43 = 2,722.95 : x
  2. Step 2: Convert to fraction form
    4,918.82/7,373.43 = 2,722.95/x
  3. Step 3: Cross multiply
    4,918.82x = 7,373.43 × 2,722.95
  4. Step 4: Simplify right side
    4,918.82x = 20,077,481.22
  5. Step 5: Solve for x
    x = 20,077,481.22/4,918.82
  6. Step 6: Final answer
    x = 4,081.77

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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.