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Finding the Fourth Proportional to 2,622.51, 3,617.04 and 1,914.24

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Solution

The fourth proportional to 2,622.51, 3,617.04 and 1,914.24 is: 2,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.51 : 3,617.04 = 1,914.24 : x
  2. Step 2: Convert to fraction form
    2,622.51/3,617.04 = 1,914.24/x
  3. Step 3: Cross multiply
    2,622.51x = 3,617.04 × 1,914.24
  4. Step 4: Simplify right side
    2,622.51x = 6,923,882.65
  5. Step 5: Solve for x
    x = 6,923,882.65/2,622.51
  6. Step 6: Final answer
    x = 2,640.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.