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Finding the Fourth Proportional to 23,980.80, 33,092.68 and 15,033.12

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Solution

The fourth proportional to 23,980.80, 33,092.68 and 15,033.12 is: 20,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.80 : 33,092.68 = 15,033.12 : x
  2. Step 2: Convert to fraction form
    23,980.80/33,092.68 = 15,033.12/x
  3. Step 3: Cross multiply
    23,980.80x = 33,092.68 × 15,033.12
  4. Step 4: Simplify right side
    23,980.80x = 497,486,229.56
  5. Step 5: Solve for x
    x = 497,486,229.56/23,980.80
  6. Step 6: Final answer
    x = 20,745.19

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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.