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Finding the Fourth Proportional to 2,732.63, 3,771.02 and 1,490.63

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Solution

The fourth proportional to 2,732.63, 3,771.02 and 1,490.63 is: 2,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.63 : 3,771.02 = 1,490.63 : x
  2. Step 2: Convert to fraction form
    2,732.63/3,771.02 = 1,490.63/x
  3. Step 3: Cross multiply
    2,732.63x = 3,771.02 × 1,490.63
  4. Step 4: Simplify right side
    2,732.63x = 5,621,180.41
  5. Step 5: Solve for x
    x = 5,621,180.41/2,732.63
  6. Step 6: Final answer
    x = 2,057.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.