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Finding the Fourth Proportional to 33,191.67, 45,794.70 and 19,756.20

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Solution

The fourth proportional to 33,191.67, 45,794.70 and 19,756.20 is: 27,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.67 : 45,794.70 = 19,756.20 : x
  2. Step 2: Convert to fraction form
    33,191.67/45,794.70 = 19,756.20/x
  3. Step 3: Cross multiply
    33,191.67x = 45,794.70 × 19,756.20
  4. Step 4: Simplify right side
    33,191.67x = 904,729,252.14
  5. Step 5: Solve for x
    x = 904,729,252.14/33,191.67
  6. Step 6: Final answer
    x = 27,257.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.