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Finding the Fourth Proportional to 6,276.60, 8,662.62 and 3,623.46

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Solution

The fourth proportional to 6,276.60, 8,662.62 and 3,623.46 is: 5,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.60 : 8,662.62 = 3,623.46 : x
  2. Step 2: Convert to fraction form
    6,276.60/8,662.62 = 3,623.46/x
  3. Step 3: Cross multiply
    6,276.60x = 8,662.62 × 3,623.46
  4. Step 4: Simplify right side
    6,276.60x = 31,388,657.07
  5. Step 5: Solve for x
    x = 31,388,657.07/6,276.60
  6. Step 6: Final answer
    x = 5,000.90

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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.