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Finding the Fourth Proportional to 1,855.41, 2,560.44 and 1,016.09

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Solution

The fourth proportional to 1,855.41, 2,560.44 and 1,016.09 is: 1,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.41 : 2,560.44 = 1,016.09 : x
  2. Step 2: Convert to fraction form
    1,855.41/2,560.44 = 1,016.09/x
  3. Step 3: Cross multiply
    1,855.41x = 2,560.44 × 1,016.09
  4. Step 4: Simplify right side
    1,855.41x = 2,601,624.68
  5. Step 5: Solve for x
    x = 2,601,624.68/1,855.41
  6. Step 6: Final answer
    x = 1,402.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.