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Finding the Fourth Proportional to 33,013.44, 45,555.84 and 18,109.44

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Solution

The fourth proportional to 33,013.44, 45,555.84 and 18,109.44 is: 24,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.44 : 45,555.84 = 18,109.44 : x
  2. Step 2: Convert to fraction form
    33,013.44/45,555.84 = 18,109.44/x
  3. Step 3: Cross multiply
    33,013.44x = 45,555.84 × 18,109.44
  4. Step 4: Simplify right side
    33,013.44x = 824,990,751.13
  5. Step 5: Solve for x
    x = 824,990,751.13/33,013.44
  6. Step 6: Final answer
    x = 24,989.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.