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Finding the Fourth Proportional to 8,459.96, 12,687.48 and 2,536.61

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Solution

The fourth proportional to 8,459.96, 12,687.48 and 2,536.61 is: 3,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.96 : 12,687.48 = 2,536.61 : x
  2. Step 2: Convert to fraction form
    8,459.96/12,687.48 = 2,536.61/x
  3. Step 3: Cross multiply
    8,459.96x = 12,687.48 × 2,536.61
  4. Step 4: Simplify right side
    8,459.96x = 32,183,220.36
  5. Step 5: Solve for x
    x = 32,183,220.36/8,459.96
  6. Step 6: Final answer
    x = 3,804.18

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Why These Related Problems?

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