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Finding the Fourth Proportional to 1,882.82, 2,824.24 and 1,805.06

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Solution

The fourth proportional to 1,882.82, 2,824.24 and 1,805.06 is: 2,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.82 : 2,824.24 = 1,805.06 : x
  2. Step 2: Convert to fraction form
    1,882.82/2,824.24 = 1,805.06/x
  3. Step 3: Cross multiply
    1,882.82x = 2,824.24 × 1,805.06
  4. Step 4: Simplify right side
    1,882.82x = 5,097,922.65
  5. Step 5: Solve for x
    x = 5,097,922.65/1,882.82
  6. Step 6: Final answer
    x = 2,707.60

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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.