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Finding the Fourth Proportional to 28,092.33, 38,754.09 and 19,021.01

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Solution

The fourth proportional to 28,092.33, 38,754.09 and 19,021.01 is: 26,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.33 : 38,754.09 = 19,021.01 : x
  2. Step 2: Convert to fraction form
    28,092.33/38,754.09 = 19,021.01/x
  3. Step 3: Cross multiply
    28,092.33x = 38,754.09 × 19,021.01
  4. Step 4: Simplify right side
    28,092.33x = 737,141,739.66
  5. Step 5: Solve for x
    x = 737,141,739.66/28,092.33
  6. Step 6: Final answer
    x = 26,239.96

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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.