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Finding the Fourth Proportional to 1,837.08, 2,751.68 and 850.68

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Solution

The fourth proportional to 1,837.08, 2,751.68 and 850.68 is: 1,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.08 : 2,751.68 = 850.68 : x
  2. Step 2: Convert to fraction form
    1,837.08/2,751.68 = 850.68/x
  3. Step 3: Cross multiply
    1,837.08x = 2,751.68 × 850.68
  4. Step 4: Simplify right side
    1,837.08x = 2,340,799.14
  5. Step 5: Solve for x
    x = 2,340,799.14/1,837.08
  6. Step 6: Final answer
    x = 1,274.20

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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.