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Finding the Fourth Proportional to 1,234.73, 1,704.12 and 793.10

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Solution

The fourth proportional to 1,234.73, 1,704.12 and 793.10 is: 1,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.73 : 1,704.12 = 793.10 : x
  2. Step 2: Convert to fraction form
    1,234.73/1,704.12 = 793.10/x
  3. Step 3: Cross multiply
    1,234.73x = 1,704.12 × 793.10
  4. Step 4: Simplify right side
    1,234.73x = 1,351,537.57
  5. Step 5: Solve for x
    x = 1,351,537.57/1,234.73
  6. Step 6: Final answer
    x = 1,094.60

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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.