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Finding the Fourth Proportional to 3,574.47, 5,361.69 and 1,626.81

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Solution

The fourth proportional to 3,574.47, 5,361.69 and 1,626.81 is: 2,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.47 : 5,361.69 = 1,626.81 : x
  2. Step 2: Convert to fraction form
    3,574.47/5,361.69 = 1,626.81/x
  3. Step 3: Cross multiply
    3,574.47x = 5,361.69 × 1,626.81
  4. Step 4: Simplify right side
    3,574.47x = 8,722,450.91
  5. Step 5: Solve for x
    x = 8,722,450.91/3,574.47
  6. Step 6: Final answer
    x = 2,440.21

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1.5x scale

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.