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Finding the Fourth Proportional to 33,239.66, 49,844.88 and 12,448.58

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Solution

The fourth proportional to 33,239.66, 49,844.88 and 12,448.58 is: 18,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.66 : 49,844.88 = 12,448.58 : x
  2. Step 2: Convert to fraction form
    33,239.66/49,844.88 = 12,448.58/x
  3. Step 3: Cross multiply
    33,239.66x = 49,844.88 × 12,448.58
  4. Step 4: Simplify right side
    33,239.66x = 620,497,976.27
  5. Step 5: Solve for x
    x = 620,497,976.27/33,239.66
  6. Step 6: Final answer
    x = 18,667.40

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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.