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Finding the Fourth Proportional to 6,187.56, 9,268.97 and 3,721.03

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Solution

The fourth proportional to 6,187.56, 9,268.97 and 3,721.03 is: 5,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.56 : 9,268.97 = 3,721.03 : x
  2. Step 2: Convert to fraction form
    6,187.56/9,268.97 = 3,721.03/x
  3. Step 3: Cross multiply
    6,187.56x = 9,268.97 × 3,721.03
  4. Step 4: Simplify right side
    6,187.56x = 34,490,115.44
  5. Step 5: Solve for x
    x = 34,490,115.44/6,187.56
  6. Step 6: Final answer
    x = 5,574.11

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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.