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Finding the Fourth Proportional to 33,207.54, 49,811.31 and 19,188.98

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Solution

The fourth proportional to 33,207.54, 49,811.31 and 19,188.98 is: 28,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207.54 : 49,811.31 = 19,188.98 : x
  2. Step 2: Convert to fraction form
    33,207.54/49,811.31 = 19,188.98/x
  3. Step 3: Cross multiply
    33,207.54x = 49,811.31 × 19,188.98
  4. Step 4: Simplify right side
    33,207.54x = 955,828,231.36
  5. Step 5: Solve for x
    x = 955,828,231.36/33,207.54
  6. Step 6: Final answer
    x = 28,783.47

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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.