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Finding the Fourth Proportional to 33,653.65, 50,503.89 and 13,932.31

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Solution

The fourth proportional to 33,653.65, 50,503.89 and 13,932.31 is: 20,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,653.65 : 50,503.89 = 13,932.31 : x
  2. Step 2: Convert to fraction form
    33,653.65/50,503.89 = 13,932.31/x
  3. Step 3: Cross multiply
    33,653.65x = 50,503.89 × 13,932.31
  4. Step 4: Simplify right side
    33,653.65x = 703,635,851.69
  5. Step 5: Solve for x
    x = 703,635,851.69/33,653.65
  6. Step 6: Final answer
    x = 20,908.16

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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.