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Finding the Fourth Proportional to 1,750.97, 2,626.37 and 655.25

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Solution

The fourth proportional to 1,750.97, 2,626.37 and 655.25 is: 982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.97 : 2,626.37 = 655.25 : x
  2. Step 2: Convert to fraction form
    1,750.97/2,626.37 = 655.25/x
  3. Step 3: Cross multiply
    1,750.97x = 2,626.37 × 655.25
  4. Step 4: Simplify right side
    1,750.97x = 1,720,912.53
  5. Step 5: Solve for x
    x = 1,720,912.53/1,750.97
  6. Step 6: Final answer
    x = 982.84

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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.