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Finding the Fourth Proportional to 33,968.80, 50,953.16 and 22,279.28

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Solution

The fourth proportional to 33,968.80, 50,953.16 and 22,279.28 is: 33,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,968.80 : 50,953.16 = 22,279.28 : x
  2. Step 2: Convert to fraction form
    33,968.80/50,953.16 = 22,279.28/x
  3. Step 3: Cross multiply
    33,968.80x = 50,953.16 × 22,279.28
  4. Step 4: Simplify right side
    33,968.80x = 1,135,199,718.52
  5. Step 5: Solve for x
    x = 1,135,199,718.52/33,968.80
  6. Step 6: Final answer
    x = 33,418.89

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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.