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Finding the Fourth Proportional to 18,062.35, 27,078.94 and 16,604.35

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Solution

The fourth proportional to 18,062.35, 27,078.94 and 16,604.35 is: 24,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.35 : 27,078.94 = 16,604.35 : x
  2. Step 2: Convert to fraction form
    18,062.35/27,078.94 = 16,604.35/x
  3. Step 3: Cross multiply
    18,062.35x = 27,078.94 × 16,604.35
  4. Step 4: Simplify right side
    18,062.35x = 449,628,197.39
  5. Step 5: Solve for x
    x = 449,628,197.39/18,062.35
  6. Step 6: Final answer
    x = 24,893.12

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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.