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Finding the Fourth Proportional to 26,958, 40,508.68 and 14,487.24

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Solution

The fourth proportional to 26,958, 40,508.68 and 14,487.24 is: 21,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958 : 40,508.68 = 14,487.24 : x
  2. Step 2: Convert to fraction form
    26,958/40,508.68 = 14,487.24/x
  3. Step 3: Cross multiply
    26,958x = 40,508.68 × 14,487.24
  4. Step 4: Simplify right side
    26,958x = 586,858,969.24
  5. Step 5: Solve for x
    x = 586,858,969.24/26,958
  6. Step 6: Final answer
    x = 21,769.38

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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.