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Finding the Fourth Proportional to 11,527.92, 17,276.84 and 5,285.68

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Solution

The fourth proportional to 11,527.92, 17,276.84 and 5,285.68 is: 7,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.92 : 17,276.84 = 5,285.68 : x
  2. Step 2: Convert to fraction form
    11,527.92/17,276.84 = 5,285.68/x
  3. Step 3: Cross multiply
    11,527.92x = 17,276.84 × 5,285.68
  4. Step 4: Simplify right side
    11,527.92x = 91,319,847.65
  5. Step 5: Solve for x
    x = 91,319,847.65/11,527.92
  6. Step 6: Final answer
    x = 7,921.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.