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Finding the Fourth Proportional to 18,191.49, 27,291.22 and 16,354.41

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Solution

The fourth proportional to 18,191.49, 27,291.22 and 16,354.41 is: 24,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.49 : 27,291.22 = 16,354.41 : x
  2. Step 2: Convert to fraction form
    18,191.49/27,291.22 = 16,354.41/x
  3. Step 3: Cross multiply
    18,191.49x = 27,291.22 × 16,354.41
  4. Step 4: Simplify right side
    18,191.49x = 446,331,623.94
  5. Step 5: Solve for x
    x = 446,331,623.94/18,191.49
  6. Step 6: Final answer
    x = 24,535.19

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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.