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Finding the Fourth Proportional to 1,236.01, 1,704.87 and 793.21

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Solution

The fourth proportional to 1,236.01, 1,704.87 and 793.21 is: 1,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.01 : 1,704.87 = 793.21 : x
  2. Step 2: Convert to fraction form
    1,236.01/1,704.87 = 793.21/x
  3. Step 3: Cross multiply
    1,236.01x = 1,704.87 × 793.21
  4. Step 4: Simplify right side
    1,236.01x = 1,352,311.41
  5. Step 5: Solve for x
    x = 1,352,311.41/1,236.01
  6. Step 6: Final answer
    x = 1,094.10

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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.