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Finding the Fourth Proportional to 1,797.75, 2,482.11 and 1,100.34

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Solution

The fourth proportional to 1,797.75, 2,482.11 and 1,100.34 is: 1,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.75 : 2,482.11 = 1,100.34 : x
  2. Step 2: Convert to fraction form
    1,797.75/2,482.11 = 1,100.34/x
  3. Step 3: Cross multiply
    1,797.75x = 2,482.11 × 1,100.34
  4. Step 4: Simplify right side
    1,797.75x = 2,731,164.92
  5. Step 5: Solve for x
    x = 2,731,164.92/1,797.75
  6. Step 6: Final answer
    x = 1,519.21

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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.