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Finding the Fourth Proportional to 18,843.96, 28,249.20 and 16,088.34

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Solution

The fourth proportional to 18,843.96, 28,249.20 and 16,088.34 is: 24,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.96 : 28,249.20 = 16,088.34 : x
  2. Step 2: Convert to fraction form
    18,843.96/28,249.20 = 16,088.34/x
  3. Step 3: Cross multiply
    18,843.96x = 28,249.20 × 16,088.34
  4. Step 4: Simplify right side
    18,843.96x = 454,482,734.33
  5. Step 5: Solve for x
    x = 454,482,734.33/18,843.96
  6. Step 6: Final answer
    x = 24,118.22

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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.