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Finding the Fourth Proportional to 18,600.92, 25,669.45 and 10,103.12

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Solution

The fourth proportional to 18,600.92, 25,669.45 and 10,103.12 is: 13,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.92 : 25,669.45 = 10,103.12 : x
  2. Step 2: Convert to fraction form
    18,600.92/25,669.45 = 10,103.12/x
  3. Step 3: Cross multiply
    18,600.92x = 25,669.45 × 10,103.12
  4. Step 4: Simplify right side
    18,600.92x = 259,341,514.23
  5. Step 5: Solve for x
    x = 259,341,514.23/18,600.92
  6. Step 6: Final answer
    x = 13,942.41

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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.