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Finding the Fourth Proportional to 25,793.63, 38,640.62 and 19,027.29

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Solution

The fourth proportional to 25,793.63, 38,640.62 and 19,027.29 is: 28,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.63 : 38,640.62 = 19,027.29 : x
  2. Step 2: Convert to fraction form
    25,793.63/38,640.62 = 19,027.29/x
  3. Step 3: Cross multiply
    25,793.63x = 38,640.62 × 19,027.29
  4. Step 4: Simplify right side
    25,793.63x = 735,226,187.38
  5. Step 5: Solve for x
    x = 735,226,187.38/25,793.63
  6. Step 6: Final answer
    x = 28,504.18

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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.