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Finding the Fourth Proportional to 16,745.94, 25,121.95 and 6,892.29

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Solution

The fourth proportional to 16,745.94, 25,121.95 and 6,892.29 is: 10,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.94 : 25,121.95 = 6,892.29 : x
  2. Step 2: Convert to fraction form
    16,745.94/25,121.95 = 6,892.29/x
  3. Step 3: Cross multiply
    16,745.94x = 25,121.95 × 6,892.29
  4. Step 4: Simplify right side
    16,745.94x = 173,147,747.53
  5. Step 5: Solve for x
    x = 173,147,747.53/16,745.94
  6. Step 6: Final answer
    x = 10,339.69

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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.