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Finding the Fourth Proportional to 18,063.84, 27,081.20 and 16,605.84

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Solution

The fourth proportional to 18,063.84, 27,081.20 and 16,605.84 is: 24,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.84 : 27,081.20 = 16,605.84 : x
  2. Step 2: Convert to fraction form
    18,063.84/27,081.20 = 16,605.84/x
  3. Step 3: Cross multiply
    18,063.84x = 27,081.20 × 16,605.84
  4. Step 4: Simplify right side
    18,063.84x = 449,706,074.21
  5. Step 5: Solve for x
    x = 449,706,074.21/18,063.84
  6. Step 6: Final answer
    x = 24,895.38

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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.