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Finding the Fourth Proportional to 2,018.23, 3,027.48 and 557.26

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Solution

The fourth proportional to 2,018.23, 3,027.48 and 557.26 is: 835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.23 : 3,027.48 = 557.26 : x
  2. Step 2: Convert to fraction form
    2,018.23/3,027.48 = 557.26/x
  3. Step 3: Cross multiply
    2,018.23x = 3,027.48 × 557.26
  4. Step 4: Simplify right side
    2,018.23x = 1,687,093.50
  5. Step 5: Solve for x
    x = 1,687,093.50/2,018.23
  6. Step 6: Final answer
    x = 835.93

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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.