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Finding the Fourth Proportional to 1,849.16, 2,775.24 and 754.28

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Solution

The fourth proportional to 1,849.16, 2,775.24 and 754.28 is: 1,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.16 : 2,775.24 = 754.28 : x
  2. Step 2: Convert to fraction form
    1,849.16/2,775.24 = 754.28/x
  3. Step 3: Cross multiply
    1,849.16x = 2,775.24 × 754.28
  4. Step 4: Simplify right side
    1,849.16x = 2,093,308.03
  5. Step 5: Solve for x
    x = 2,093,308.03/1,849.16
  6. Step 6: Final answer
    x = 1,132.03

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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.