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Finding the Fourth Proportional to 1,183.49, 1,772.12 and 834.93

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Solution

The fourth proportional to 1,183.49, 1,772.12 and 834.93 is: 1,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.49 : 1,772.12 = 834.93 : x
  2. Step 2: Convert to fraction form
    1,183.49/1,772.12 = 834.93/x
  3. Step 3: Cross multiply
    1,183.49x = 1,772.12 × 834.93
  4. Step 4: Simplify right side
    1,183.49x = 1,479,598.24
  5. Step 5: Solve for x
    x = 1,479,598.24/1,183.49
  6. Step 6: Final answer
    x = 1,250.20

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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.