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Finding the Fourth Proportional to 17,877.80, 26,794.02 and 8,016.68

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Solution

The fourth proportional to 17,877.80, 26,794.02 and 8,016.68 is: 12,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.80 : 26,794.02 = 8,016.68 : x
  2. Step 2: Convert to fraction form
    17,877.80/26,794.02 = 8,016.68/x
  3. Step 3: Cross multiply
    17,877.80x = 26,794.02 × 8,016.68
  4. Step 4: Simplify right side
    17,877.80x = 214,799,084.25
  5. Step 5: Solve for x
    x = 214,799,084.25/17,877.80
  6. Step 6: Final answer
    x = 12,014.85

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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.