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Finding the Fourth Proportional to 1,173.66, 1,757.97 and 733.74

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Solution

The fourth proportional to 1,173.66, 1,757.97 and 733.74 is: 1,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.66 : 1,757.97 = 733.74 : x
  2. Step 2: Convert to fraction form
    1,173.66/1,757.97 = 733.74/x
  3. Step 3: Cross multiply
    1,173.66x = 1,757.97 × 733.74
  4. Step 4: Simplify right side
    1,173.66x = 1,289,892.91
  5. Step 5: Solve for x
    x = 1,289,892.91/1,173.66
  6. Step 6: Final answer
    x = 1,099.03

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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.