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Finding the Fourth Proportional to 2,010.44, 3,015.24 and 549.27

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Solution

The fourth proportional to 2,010.44, 3,015.24 and 549.27 is: 823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.44 : 3,015.24 = 549.27 : x
  2. Step 2: Convert to fraction form
    2,010.44/3,015.24 = 549.27/x
  3. Step 3: Cross multiply
    2,010.44x = 3,015.24 × 549.27
  4. Step 4: Simplify right side
    2,010.44x = 1,656,180.87
  5. Step 5: Solve for x
    x = 1,656,180.87/2,010.44
  6. Step 6: Final answer
    x = 823.79

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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.