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Finding the Fourth Proportional to 26,913.17, 40,375.58 and 8,192.71

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Solution

The fourth proportional to 26,913.17, 40,375.58 and 8,192.71 is: 12,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.17 : 40,375.58 = 8,192.71 : x
  2. Step 2: Convert to fraction form
    26,913.17/40,375.58 = 8,192.71/x
  3. Step 3: Cross multiply
    26,913.17x = 40,375.58 × 8,192.71
  4. Step 4: Simplify right side
    26,913.17x = 330,785,418.02
  5. Step 5: Solve for x
    x = 330,785,418.02/26,913.17
  6. Step 6: Final answer
    x = 12,290.84

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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.