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Finding the Fourth Proportional to 1,858.73, 2,564.46 and 1,194.39

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Solution

The fourth proportional to 1,858.73, 2,564.46 and 1,194.39 is: 1,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.73 : 2,564.46 = 1,194.39 : x
  2. Step 2: Convert to fraction form
    1,858.73/2,564.46 = 1,194.39/x
  3. Step 3: Cross multiply
    1,858.73x = 2,564.46 × 1,194.39
  4. Step 4: Simplify right side
    1,858.73x = 3,062,965.38
  5. Step 5: Solve for x
    x = 3,062,965.38/1,858.73
  6. Step 6: Final answer
    x = 1,647.89

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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.