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Finding the Fourth Proportional to 26,392.28, 39,588.41 and 8,874.41

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Solution

The fourth proportional to 26,392.28, 39,588.41 and 8,874.41 is: 13,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.28 : 39,588.41 = 8,874.41 : x
  2. Step 2: Convert to fraction form
    26,392.28/39,588.41 = 8,874.41/x
  3. Step 3: Cross multiply
    26,392.28x = 39,588.41 × 8,874.41
  4. Step 4: Simplify right side
    26,392.28x = 351,323,583.65
  5. Step 5: Solve for x
    x = 351,323,583.65/26,392.28
  6. Step 6: Final answer
    x = 13,311.61

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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.