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Finding the Fourth Proportional to 3,626.71, 5,396.62 and 3,614.41

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Solution

The fourth proportional to 3,626.71, 5,396.62 and 3,614.41 is: 5,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.71 : 5,396.62 = 3,614.41 : x
  2. Step 2: Convert to fraction form
    3,626.71/5,396.62 = 3,614.41/x
  3. Step 3: Cross multiply
    3,626.71x = 5,396.62 × 3,614.41
  4. Step 4: Simplify right side
    3,626.71x = 19,505,597.29
  5. Step 5: Solve for x
    x = 19,505,597.29/3,626.71
  6. Step 6: Final answer
    x = 5,378.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.