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Finding the Fourth Proportional to 18,832.69, 28,204.48 and 16,354.05

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Solution

The fourth proportional to 18,832.69, 28,204.48 and 16,354.05 is: 24,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.69 : 28,204.48 = 16,354.05 : x
  2. Step 2: Convert to fraction form
    18,832.69/28,204.48 = 16,354.05/x
  3. Step 3: Cross multiply
    18,832.69x = 28,204.48 × 16,354.05
  4. Step 4: Simplify right side
    18,832.69x = 461,257,476.14
  5. Step 5: Solve for x
    x = 461,257,476.14/18,832.69
  6. Step 6: Final answer
    x = 24,492.38

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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.