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Finding the Fourth Proportional to 3,626.62, 4,972.15 and 3,561.01

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Solution

The fourth proportional to 3,626.62, 4,972.15 and 3,561.01 is: 4,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.62 : 4,972.15 = 3,561.01 : x
  2. Step 2: Convert to fraction form
    3,626.62/4,972.15 = 3,561.01/x
  3. Step 3: Cross multiply
    3,626.62x = 4,972.15 × 3,561.01
  4. Step 4: Simplify right side
    3,626.62x = 17,705,880.84
  5. Step 5: Solve for x
    x = 17,705,880.84/3,626.62
  6. Step 6: Final answer
    x = 4,882.19

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Why These Related Problems?

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