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Finding the Fourth Proportional to 8,451.59, 11,662.75 and 4,674.56

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Solution

The fourth proportional to 8,451.59, 11,662.75 and 4,674.56 is: 6,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.59 : 11,662.75 = 4,674.56 : x
  2. Step 2: Convert to fraction form
    8,451.59/11,662.75 = 4,674.56/x
  3. Step 3: Cross multiply
    8,451.59x = 11,662.75 × 4,674.56
  4. Step 4: Simplify right side
    8,451.59x = 54,518,172.17
  5. Step 5: Solve for x
    x = 54,518,172.17/8,451.59
  6. Step 6: Final answer
    x = 6,450.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.