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Finding the Fourth Proportional to 77,794.19, 116,712.05 and 27,879.33

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Solution

The fourth proportional to 77,794.19, 116,712.05 and 27,879.33 is: 41,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.19 : 116,712.05 = 27,879.33 : x
  2. Step 2: Convert to fraction form
    77,794.19/116,712.05 = 27,879.33/x
  3. Step 3: Cross multiply
    77,794.19x = 116,712.05 × 27,879.33
  4. Step 4: Simplify right side
    77,794.19x = 3,253,853,617.53
  5. Step 5: Solve for x
    x = 3,253,853,617.53/77,794.19
  6. Step 6: Final answer
    x = 41,826.44

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1.5x scale

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.