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Finding the Fourth Proportional to 24,109.80, 36,186.12 and 20,185.44

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Solution

The fourth proportional to 24,109.80, 36,186.12 and 20,185.44 is: 30,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,109.80 : 36,186.12 = 20,185.44 : x
  2. Step 2: Convert to fraction form
    24,109.80/36,186.12 = 20,185.44/x
  3. Step 3: Cross multiply
    24,109.80x = 36,186.12 × 20,185.44
  4. Step 4: Simplify right side
    24,109.80x = 730,432,754.09
  5. Step 5: Solve for x
    x = 730,432,754.09/24,109.80
  6. Step 6: Final answer
    x = 30,296.09

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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.