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Finding the Fourth Proportional to 26,879.73, 40,320 and 9,350.16

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Solution

The fourth proportional to 26,879.73, 40,320 and 9,350.16 is: 14,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.73 : 40,320 = 9,350.16 : x
  2. Step 2: Convert to fraction form
    26,879.73/40,320 = 9,350.16/x
  3. Step 3: Cross multiply
    26,879.73x = 40,320 × 9,350.16
  4. Step 4: Simplify right side
    26,879.73x = 376,998,451.20
  5. Step 5: Solve for x
    x = 376,998,451.20/26,879.73
  6. Step 6: Final answer
    x = 14,025.38

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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.