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Finding the Fourth Proportional to 1,774.20, 2,435.16 and 1,626.48

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Solution

The fourth proportional to 1,774.20, 2,435.16 and 1,626.48 is: 2,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.20 : 2,435.16 = 1,626.48 : x
  2. Step 2: Convert to fraction form
    1,774.20/2,435.16 = 1,626.48/x
  3. Step 3: Cross multiply
    1,774.20x = 2,435.16 × 1,626.48
  4. Step 4: Simplify right side
    1,774.20x = 3,960,739.04
  5. Step 5: Solve for x
    x = 3,960,739.04/1,774.20
  6. Step 6: Final answer
    x = 2,232.41

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.