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Finding the Fourth Proportional to 33,167.78, 45,770.19 and 19,010.78

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Solution

The fourth proportional to 33,167.78, 45,770.19 and 19,010.78 is: 26,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,167.78 : 45,770.19 = 19,010.78 : x
  2. Step 2: Convert to fraction form
    33,167.78/45,770.19 = 19,010.78/x
  3. Step 3: Cross multiply
    33,167.78x = 45,770.19 × 19,010.78
  4. Step 4: Simplify right side
    33,167.78x = 870,127,012.65
  5. Step 5: Solve for x
    x = 870,127,012.65/33,167.78
  6. Step 6: Final answer
    x = 26,234.10

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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.