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Finding the Fourth Proportional to 1,236.91, 1,697.84 and 1,093.89

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Solution

The fourth proportional to 1,236.91, 1,697.84 and 1,093.89 is: 1,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.91 : 1,697.84 = 1,093.89 : x
  2. Step 2: Convert to fraction form
    1,236.91/1,697.84 = 1,093.89/x
  3. Step 3: Cross multiply
    1,236.91x = 1,697.84 × 1,093.89
  4. Step 4: Simplify right side
    1,236.91x = 1,857,250.20
  5. Step 5: Solve for x
    x = 1,857,250.20/1,236.91
  6. Step 6: Final answer
    x = 1,501.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.