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Finding the Fourth Proportional to 2,018.25, 3,027.15 and 701.88

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Solution

The fourth proportional to 2,018.25, 3,027.15 and 701.88 is: 1,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.25 : 3,027.15 = 701.88 : x
  2. Step 2: Convert to fraction form
    2,018.25/3,027.15 = 701.88/x
  3. Step 3: Cross multiply
    2,018.25x = 3,027.15 × 701.88
  4. Step 4: Simplify right side
    2,018.25x = 2,124,696.04
  5. Step 5: Solve for x
    x = 2,124,696.04/2,018.25
  6. Step 6: Final answer
    x = 1,052.74

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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.