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Finding the Fourth Proportional to 1,266.60, 1,890.73 and 1,094.37

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Solution

The fourth proportional to 1,266.60, 1,890.73 and 1,094.37 is: 1,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.60 : 1,890.73 = 1,094.37 : x
  2. Step 2: Convert to fraction form
    1,266.60/1,890.73 = 1,094.37/x
  3. Step 3: Cross multiply
    1,266.60x = 1,890.73 × 1,094.37
  4. Step 4: Simplify right side
    1,266.60x = 2,069,152.72
  5. Step 5: Solve for x
    x = 2,069,152.72/1,266.60
  6. Step 6: Final answer
    x = 1,633.63

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.