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Finding the Fourth Proportional to 39,935, 55,131.90 and 24,023

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Solution

The fourth proportional to 39,935, 55,131.90 and 24,023 is: 33,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935 : 55,131.90 = 24,023 : x
  2. Step 2: Convert to fraction form
    39,935/55,131.90 = 24,023/x
  3. Step 3: Cross multiply
    39,935x = 55,131.90 × 24,023
  4. Step 4: Simplify right side
    39,935x = 1,324,433,633.70
  5. Step 5: Solve for x
    x = 1,324,433,633.70/39,935
  6. Step 6: Final answer
    x = 33,164.73

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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.