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Finding the Fourth Proportional to 26,334, 36,340.94 and 15,156

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Solution

The fourth proportional to 26,334, 36,340.94 and 15,156 is: 20,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334 : 36,340.94 = 15,156 : x
  2. Step 2: Convert to fraction form
    26,334/36,340.94 = 15,156/x
  3. Step 3: Cross multiply
    26,334x = 36,340.94 × 15,156
  4. Step 4: Simplify right side
    26,334x = 550,783,286.64
  5. Step 5: Solve for x
    x = 550,783,286.64/26,334
  6. Step 6: Final answer
    x = 20,915.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.