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Finding the Fourth Proportional to 33,886.80, 50,830.20 and 25,138.80

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Solution

The fourth proportional to 33,886.80, 50,830.20 and 25,138.80 is: 37,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.80 : 50,830.20 = 25,138.80 : x
  2. Step 2: Convert to fraction form
    33,886.80/50,830.20 = 25,138.80/x
  3. Step 3: Cross multiply
    33,886.80x = 50,830.20 × 25,138.80
  4. Step 4: Simplify right side
    33,886.80x = 1,277,810,231.76
  5. Step 5: Solve for x
    x = 1,277,810,231.76/33,886.80
  6. Step 6: Final answer
    x = 37,708.20

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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.