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Finding the Fourth Proportional to 1,850.82, 2,776.74 and 552.27

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Solution

The fourth proportional to 1,850.82, 2,776.74 and 552.27 is: 828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.82 : 2,776.74 = 552.27 : x
  2. Step 2: Convert to fraction form
    1,850.82/2,776.74 = 552.27/x
  3. Step 3: Cross multiply
    1,850.82x = 2,776.74 × 552.27
  4. Step 4: Simplify right side
    1,850.82x = 1,533,510.20
  5. Step 5: Solve for x
    x = 1,533,510.20/1,850.82
  6. Step 6: Final answer
    x = 828.56

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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.