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Finding the Fourth Proportional to 2,796.87, 4,211.95 and 2,436.01

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Solution

The fourth proportional to 2,796.87, 4,211.95 and 2,436.01 is: 3,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.87 : 4,211.95 = 2,436.01 : x
  2. Step 2: Convert to fraction form
    2,796.87/4,211.95 = 2,436.01/x
  3. Step 3: Cross multiply
    2,796.87x = 4,211.95 × 2,436.01
  4. Step 4: Simplify right side
    2,796.87x = 10,260,351.49
  5. Step 5: Solve for x
    x = 10,260,351.49/2,796.87
  6. Step 6: Final answer
    x = 3,668.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.