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Finding the Fourth Proportional to 6,604.66, 9,900.32 and 4,141.20

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Solution

The fourth proportional to 6,604.66, 9,900.32 and 4,141.20 is: 6,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.66 : 9,900.32 = 4,141.20 : x
  2. Step 2: Convert to fraction form
    6,604.66/9,900.32 = 4,141.20/x
  3. Step 3: Cross multiply
    6,604.66x = 9,900.32 × 4,141.20
  4. Step 4: Simplify right side
    6,604.66x = 40,999,221.60
  5. Step 5: Solve for x
    x = 40,999,221.60/6,604.66
  6. Step 6: Final answer
    x = 6,207.62

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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.