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Finding the Fourth Proportional to 13,769.68, 19,010.03 and 9,067.63

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Solution

The fourth proportional to 13,769.68, 19,010.03 and 9,067.63 is: 12,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.68 : 19,010.03 = 9,067.63 : x
  2. Step 2: Convert to fraction form
    13,769.68/19,010.03 = 9,067.63/x
  3. Step 3: Cross multiply
    13,769.68x = 19,010.03 × 9,067.63
  4. Step 4: Simplify right side
    13,769.68x = 172,375,918.33
  5. Step 5: Solve for x
    x = 172,375,918.33/13,769.68
  6. Step 6: Final answer
    x = 12,518.51

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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.