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Finding the Fourth Proportional to 16,881, 25,257.25 and 10,192.88

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Solution

The fourth proportional to 16,881, 25,257.25 and 10,192.88 is: 15,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881 : 25,257.25 = 10,192.88 : x
  2. Step 2: Convert to fraction form
    16,881/25,257.25 = 10,192.88/x
  3. Step 3: Cross multiply
    16,881x = 25,257.25 × 10,192.88
  4. Step 4: Simplify right side
    16,881x = 257,444,118.38
  5. Step 5: Solve for x
    x = 257,444,118.38/16,881
  6. Step 6: Final answer
    x = 15,250.53

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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.