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Finding the Fourth Proportional to 26,057, 35,958.66 and 14,879

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Solution

The fourth proportional to 26,057, 35,958.66 and 14,879 is: 20,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,057 : 35,958.66 = 14,879 : x
  2. Step 2: Convert to fraction form
    26,057/35,958.66 = 14,879/x
  3. Step 3: Cross multiply
    26,057x = 35,958.66 × 14,879
  4. Step 4: Simplify right side
    26,057x = 535,028,902.14
  5. Step 5: Solve for x
    x = 535,028,902.14/26,057
  6. Step 6: Final answer
    x = 20,533.02

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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.