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Finding the Fourth Proportional to 18,103.86, 24,982.06 and 10,037.44

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Solution

The fourth proportional to 18,103.86, 24,982.06 and 10,037.44 is: 13,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.86 : 24,982.06 = 10,037.44 : x
  2. Step 2: Convert to fraction form
    18,103.86/24,982.06 = 10,037.44/x
  3. Step 3: Cross multiply
    18,103.86x = 24,982.06 × 10,037.44
  4. Step 4: Simplify right side
    18,103.86x = 250,755,928.33
  5. Step 5: Solve for x
    x = 250,755,928.33/18,103.86
  6. Step 6: Final answer
    x = 13,850.96

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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.