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Finding the Fourth Proportional to 33,921, 50,886.13 and 11,728.42

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Solution

The fourth proportional to 33,921, 50,886.13 and 11,728.42 is: 17,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,921 : 50,886.13 = 11,728.42 : x
  2. Step 2: Convert to fraction form
    33,921/50,886.13 = 11,728.42/x
  3. Step 3: Cross multiply
    33,921x = 50,886.13 × 11,728.42
  4. Step 4: Simplify right side
    33,921x = 596,813,650.38
  5. Step 5: Solve for x
    x = 596,813,650.38/33,921
  6. Step 6: Final answer
    x = 17,594.22

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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.