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Finding the Fourth Proportional to 16,996.76, 25,500.90 and 8,783

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Solution

The fourth proportional to 16,996.76, 25,500.90 and 8,783 is: 13,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.76 : 25,500.90 = 8,783 : x
  2. Step 2: Convert to fraction form
    16,996.76/25,500.90 = 8,783/x
  3. Step 3: Cross multiply
    16,996.76x = 25,500.90 × 8,783
  4. Step 4: Simplify right side
    16,996.76x = 223,974,404.70
  5. Step 5: Solve for x
    x = 223,974,404.70/16,996.76
  6. Step 6: Final answer
    x = 13,177.48

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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.