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Finding the Fourth Proportional to 1,806.94, 2,494.02 and 1,283.14

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Solution

The fourth proportional to 1,806.94, 2,494.02 and 1,283.14 is: 1,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.94 : 2,494.02 = 1,283.14 : x
  2. Step 2: Convert to fraction form
    1,806.94/2,494.02 = 1,283.14/x
  3. Step 3: Cross multiply
    1,806.94x = 2,494.02 × 1,283.14
  4. Step 4: Simplify right side
    1,806.94x = 3,200,176.82
  5. Step 5: Solve for x
    x = 3,200,176.82/1,806.94
  6. Step 6: Final answer
    x = 1,771.05

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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.