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Finding the Fourth Proportional to 4,995.88, 7,491.41 and 2,361.20

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Solution

The fourth proportional to 4,995.88, 7,491.41 and 2,361.20 is: 3,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.88 : 7,491.41 = 2,361.20 : x
  2. Step 2: Convert to fraction form
    4,995.88/7,491.41 = 2,361.20/x
  3. Step 3: Cross multiply
    4,995.88x = 7,491.41 × 2,361.20
  4. Step 4: Simplify right side
    4,995.88x = 17,688,725.66
  5. Step 5: Solve for x
    x = 17,688,725.66/4,995.88
  6. Step 6: Final answer
    x = 3,540.66

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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.