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Finding the Fourth Proportional to 16,745.84, 25,124.92 and 6,882.48

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Solution

The fourth proportional to 16,745.84, 25,124.92 and 6,882.48 is: 10,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.84 : 25,124.92 = 6,882.48 : x
  2. Step 2: Convert to fraction form
    16,745.84/25,124.92 = 6,882.48/x
  3. Step 3: Cross multiply
    16,745.84x = 25,124.92 × 6,882.48
  4. Step 4: Simplify right side
    16,745.84x = 172,921,759.40
  5. Step 5: Solve for x
    x = 172,921,759.40/16,745.84
  6. Step 6: Final answer
    x = 10,326.25

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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.