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Finding the Fourth Proportional to 7,682.92, 11,526.19 and 2,488.79

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Solution

The fourth proportional to 7,682.92, 11,526.19 and 2,488.79 is: 3,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.92 : 11,526.19 = 2,488.79 : x
  2. Step 2: Convert to fraction form
    7,682.92/11,526.19 = 2,488.79/x
  3. Step 3: Cross multiply
    7,682.92x = 11,526.19 × 2,488.79
  4. Step 4: Simplify right side
    7,682.92x = 28,686,289.00
  5. Step 5: Solve for x
    x = 28,686,289.00/7,682.92
  6. Step 6: Final answer
    x = 3,733.78

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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.