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Finding the Fourth Proportional to 35,793.66, 49,395.92 and 19,879.60

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Solution

The fourth proportional to 35,793.66, 49,395.92 and 19,879.60 is: 27,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.66 : 49,395.92 = 19,879.60 : x
  2. Step 2: Convert to fraction form
    35,793.66/49,395.92 = 19,879.60/x
  3. Step 3: Cross multiply
    35,793.66x = 49,395.92 × 19,879.60
  4. Step 4: Simplify right side
    35,793.66x = 981,971,131.23
  5. Step 5: Solve for x
    x = 981,971,131.23/35,793.66
  6. Step 6: Final answer
    x = 27,434.22

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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.