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Finding the Fourth Proportional to 11,182.70, 16,770.71 and 3,684.88

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Solution

The fourth proportional to 11,182.70, 16,770.71 and 3,684.88 is: 5,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.70 : 16,770.71 = 3,684.88 : x
  2. Step 2: Convert to fraction form
    11,182.70/16,770.71 = 3,684.88/x
  3. Step 3: Cross multiply
    11,182.70x = 16,770.71 × 3,684.88
  4. Step 4: Simplify right side
    11,182.70x = 61,797,960.80
  5. Step 5: Solve for x
    x = 61,797,960.80/11,182.70
  6. Step 6: Final answer
    x = 5,526.21

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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.