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Finding the Fourth Proportional to 52,873, 79,309.50 and 20,041

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Solution

The fourth proportional to 52,873, 79,309.50 and 20,041 is: 30,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873 : 79,309.50 = 20,041 : x
  2. Step 2: Convert to fraction form
    52,873/79,309.50 = 20,041/x
  3. Step 3: Cross multiply
    52,873x = 79,309.50 × 20,041
  4. Step 4: Simplify right side
    52,873x = 1,589,441,689.50
  5. Step 5: Solve for x
    x = 1,589,441,689.50/52,873
  6. Step 6: Final answer
    x = 30,061.50

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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.