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Finding the Fourth Proportional to 18,610.92, 25,682.94 and 10,227.60

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Solution

The fourth proportional to 18,610.92, 25,682.94 and 10,227.60 is: 14,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.92 : 25,682.94 = 10,227.60 : x
  2. Step 2: Convert to fraction form
    18,610.92/25,682.94 = 10,227.60/x
  3. Step 3: Cross multiply
    18,610.92x = 25,682.94 × 10,227.60
  4. Step 4: Simplify right side
    18,610.92x = 262,674,837.14
  5. Step 5: Solve for x
    x = 262,674,837.14/18,610.92
  6. Step 6: Final answer
    x = 14,114.02

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1.5x scale

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.