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Finding the Fourth Proportional to 33,390.80, 50,086.20 and 10,017.24

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Solution

The fourth proportional to 33,390.80, 50,086.20 and 10,017.24 is: 15,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.80 : 50,086.20 = 10,017.24 : x
  2. Step 2: Convert to fraction form
    33,390.80/50,086.20 = 10,017.24/x
  3. Step 3: Cross multiply
    33,390.80x = 50,086.20 × 10,017.24
  4. Step 4: Simplify right side
    33,390.80x = 501,725,486.09
  5. Step 5: Solve for x
    x = 501,725,486.09/33,390.80
  6. Step 6: Final answer
    x = 15,025.86

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Double scale
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Similar ratio
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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.