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Finding the Fourth Proportional to 17,246.81, 25,876.46 and 8,487.88

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Solution

The fourth proportional to 17,246.81, 25,876.46 and 8,487.88 is: 12,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,246.81 : 25,876.46 = 8,487.88 : x
  2. Step 2: Convert to fraction form
    17,246.81/25,876.46 = 8,487.88/x
  3. Step 3: Cross multiply
    17,246.81x = 25,876.46 × 8,487.88
  4. Step 4: Simplify right side
    17,246.81x = 219,636,243.83
  5. Step 5: Solve for x
    x = 219,636,243.83/17,246.81
  6. Step 6: Final answer
    x = 12,734.89

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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.