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Finding the Fourth Proportional to 6,650.22, 9,979.14 and 3,363.58

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Solution

The fourth proportional to 6,650.22, 9,979.14 and 3,363.58 is: 5,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.22 : 9,979.14 = 3,363.58 : x
  2. Step 2: Convert to fraction form
    6,650.22/9,979.14 = 3,363.58/x
  3. Step 3: Cross multiply
    6,650.22x = 9,979.14 × 3,363.58
  4. Step 4: Simplify right side
    6,650.22x = 33,565,635.72
  5. Step 5: Solve for x
    x = 33,565,635.72/6,650.22
  6. Step 6: Final answer
    x = 5,047.30

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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.