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Finding the Fourth Proportional to 17,863.78, 26,787.15 and 8,003.14

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Solution

The fourth proportional to 17,863.78, 26,787.15 and 8,003.14 is: 12,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.78 : 26,787.15 = 8,003.14 : x
  2. Step 2: Convert to fraction form
    17,863.78/26,787.15 = 8,003.14/x
  3. Step 3: Cross multiply
    17,863.78x = 26,787.15 × 8,003.14
  4. Step 4: Simplify right side
    17,863.78x = 214,381,311.65
  5. Step 5: Solve for x
    x = 214,381,311.65/17,863.78
  6. Step 6: Final answer
    x = 12,000.89

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1.5x scale

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.