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Finding the Fourth Proportional to 33,660.84, 50,482.05 and 13,934.64

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Solution

The fourth proportional to 33,660.84, 50,482.05 and 13,934.64 is: 20,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,660.84 : 50,482.05 = 13,934.64 : x
  2. Step 2: Convert to fraction form
    33,660.84/50,482.05 = 13,934.64/x
  3. Step 3: Cross multiply
    33,660.84x = 50,482.05 × 13,934.64
  4. Step 4: Simplify right side
    33,660.84x = 703,449,193.21
  5. Step 5: Solve for x
    x = 703,449,193.21/33,660.84
  6. Step 6: Final answer
    x = 20,898.15

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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.