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Finding the Fourth Proportional to 17,380.41, 26,078.40 and 8,015.41

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Solution

The fourth proportional to 17,380.41, 26,078.40 and 8,015.41 is: 12,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.41 : 26,078.40 = 8,015.41 : x
  2. Step 2: Convert to fraction form
    17,380.41/26,078.40 = 8,015.41/x
  3. Step 3: Cross multiply
    17,380.41x = 26,078.40 × 8,015.41
  4. Step 4: Simplify right side
    17,380.41x = 209,029,100.74
  5. Step 5: Solve for x
    x = 209,029,100.74/17,380.41
  6. Step 6: Final answer
    x = 12,026.71

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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.