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Finding the Fourth Proportional to 6,332.20, 8,736.50 and 3,679.10

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Solution

The fourth proportional to 6,332.20, 8,736.50 and 3,679.10 is: 5,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.20 : 8,736.50 = 3,679.10 : x
  2. Step 2: Convert to fraction form
    6,332.20/8,736.50 = 3,679.10/x
  3. Step 3: Cross multiply
    6,332.20x = 8,736.50 × 3,679.10
  4. Step 4: Simplify right side
    6,332.20x = 32,142,457.15
  5. Step 5: Solve for x
    x = 32,142,457.15/6,332.20
  6. Step 6: Final answer
    x = 5,076.03

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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.