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Finding the Fourth Proportional to 13,755.35, 20,633.13 and 3,367.10

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Solution

The fourth proportional to 13,755.35, 20,633.13 and 3,367.10 is: 5,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.35 : 20,633.13 = 3,367.10 : x
  2. Step 2: Convert to fraction form
    13,755.35/20,633.13 = 3,367.10/x
  3. Step 3: Cross multiply
    13,755.35x = 20,633.13 × 3,367.10
  4. Step 4: Simplify right side
    13,755.35x = 69,473,863.61
  5. Step 5: Solve for x
    x = 69,473,863.61/13,755.35
  6. Step 6: Final answer
    x = 5,050.68

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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.