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Finding the Fourth Proportional to 6,285.88, 8,674.02 and 3,631.48

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Solution

The fourth proportional to 6,285.88, 8,674.02 and 3,631.48 is: 5,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.88 : 8,674.02 = 3,631.48 : x
  2. Step 2: Convert to fraction form
    6,285.88/8,674.02 = 3,631.48/x
  3. Step 3: Cross multiply
    6,285.88x = 8,674.02 × 3,631.48
  4. Step 4: Simplify right side
    6,285.88x = 31,499,530.15
  5. Step 5: Solve for x
    x = 31,499,530.15/6,285.88
  6. Step 6: Final answer
    x = 5,011.16

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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.