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Finding the Fourth Proportional to 6,360.98, 9,542.48 and 2,661.30

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Solution

The fourth proportional to 6,360.98, 9,542.48 and 2,661.30 is: 3,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.98 : 9,542.48 = 2,661.30 : x
  2. Step 2: Convert to fraction form
    6,360.98/9,542.48 = 2,661.30/x
  3. Step 3: Cross multiply
    6,360.98x = 9,542.48 × 2,661.30
  4. Step 4: Simplify right side
    6,360.98x = 25,395,388.72
  5. Step 5: Solve for x
    x = 25,395,388.72/6,360.98
  6. Step 6: Final answer
    x = 3,992.37

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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.