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Finding the Fourth Proportional to 3,574.45, 5,361.02 and 1,493.90

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Solution

The fourth proportional to 3,574.45, 5,361.02 and 1,493.90 is: 2,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.45 : 5,361.02 = 1,493.90 : x
  2. Step 2: Convert to fraction form
    3,574.45/5,361.02 = 1,493.90/x
  3. Step 3: Cross multiply
    3,574.45x = 5,361.02 × 1,493.90
  4. Step 4: Simplify right side
    3,574.45x = 8,008,802.03
  5. Step 5: Solve for x
    x = 8,008,802.03/3,574.45
  6. Step 6: Final answer
    x = 2,240.57

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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.