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Finding the Fourth Proportional to 33,891.40, 50,885.70 and 25,629.40

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Solution

The fourth proportional to 33,891.40, 50,885.70 and 25,629.40 is: 38,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.40 : 50,885.70 = 25,629.40 : x
  2. Step 2: Convert to fraction form
    33,891.40/50,885.70 = 25,629.40/x
  3. Step 3: Cross multiply
    33,891.40x = 50,885.70 × 25,629.40
  4. Step 4: Simplify right side
    33,891.40x = 1,304,169,959.58
  5. Step 5: Solve for x
    x = 1,304,169,959.58/33,891.40
  6. Step 6: Final answer
    x = 38,480.85

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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.