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Finding the Fourth Proportional to 17,411.88, 26,094.78 and 8,158.44

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Solution

The fourth proportional to 17,411.88, 26,094.78 and 8,158.44 is: 12,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,411.88 : 26,094.78 = 8,158.44 : x
  2. Step 2: Convert to fraction form
    17,411.88/26,094.78 = 8,158.44/x
  3. Step 3: Cross multiply
    17,411.88x = 26,094.78 × 8,158.44
  4. Step 4: Simplify right side
    17,411.88x = 212,892,696.94
  5. Step 5: Solve for x
    x = 212,892,696.94/17,411.88
  6. Step 6: Final answer
    x = 12,226.86

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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.