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Finding the Fourth Proportional to 6,642.02, 9,959.70 and 2,481.32

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Solution

The fourth proportional to 6,642.02, 9,959.70 and 2,481.32 is: 3,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.02 : 9,959.70 = 2,481.32 : x
  2. Step 2: Convert to fraction form
    6,642.02/9,959.70 = 2,481.32/x
  3. Step 3: Cross multiply
    6,642.02x = 9,959.70 × 2,481.32
  4. Step 4: Simplify right side
    6,642.02x = 24,713,202.80
  5. Step 5: Solve for x
    x = 24,713,202.80/6,642.02
  6. Step 6: Final answer
    x = 3,720.74

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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.