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Finding the Fourth Proportional to 1,236.44, 1,854.02 and 1,159.96

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Solution

The fourth proportional to 1,236.44, 1,854.02 and 1,159.96 is: 1,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.44 : 1,854.02 = 1,159.96 : x
  2. Step 2: Convert to fraction form
    1,236.44/1,854.02 = 1,159.96/x
  3. Step 3: Cross multiply
    1,236.44x = 1,854.02 × 1,159.96
  4. Step 4: Simplify right side
    1,236.44x = 2,150,589.04
  5. Step 5: Solve for x
    x = 2,150,589.04/1,236.44
  6. Step 6: Final answer
    x = 1,739.34

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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.