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Finding the Fourth Proportional to 33,975.81, 50,963.76 and 13,199.31

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Solution

The fourth proportional to 33,975.81, 50,963.76 and 13,199.31 is: 19,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,975.81 : 50,963.76 = 13,199.31 : x
  2. Step 2: Convert to fraction form
    33,975.81/50,963.76 = 13,199.31/x
  3. Step 3: Cross multiply
    33,975.81x = 50,963.76 × 13,199.31
  4. Step 4: Simplify right side
    33,975.81x = 672,686,467.01
  5. Step 5: Solve for x
    x = 672,686,467.01/33,975.81
  6. Step 6: Final answer
    x = 19,798.98

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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.