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Finding the Fourth Proportional to 1,180.02, 1,626.78 and 844.14

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Solution

The fourth proportional to 1,180.02, 1,626.78 and 844.14 is: 1,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.02 : 1,626.78 = 844.14 : x
  2. Step 2: Convert to fraction form
    1,180.02/1,626.78 = 844.14/x
  3. Step 3: Cross multiply
    1,180.02x = 1,626.78 × 844.14
  4. Step 4: Simplify right side
    1,180.02x = 1,373,230.07
  5. Step 5: Solve for x
    x = 1,373,230.07/1,180.02
  6. Step 6: Final answer
    x = 1,163.73

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1.5x scale

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.