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Finding the Fourth Proportional to 50,535.63, 75,771.03 and 20,973.87

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Solution

The fourth proportional to 50,535.63, 75,771.03 and 20,973.87 is: 31,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,535.63 : 75,771.03 = 20,973.87 : x
  2. Step 2: Convert to fraction form
    50,535.63/75,771.03 = 20,973.87/x
  3. Step 3: Cross multiply
    50,535.63x = 75,771.03 × 20,973.87
  4. Step 4: Simplify right side
    50,535.63x = 1,589,211,732.99
  5. Step 5: Solve for x
    x = 1,589,211,732.99/50,535.63
  6. Step 6: Final answer
    x = 31,447.35

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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.