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Finding the Fourth Proportional to 34,047.88, 50,986.14 and 21,529.96

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Solution

The fourth proportional to 34,047.88, 50,986.14 and 21,529.96 is: 32,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,047.88 : 50,986.14 = 21,529.96 : x
  2. Step 2: Convert to fraction form
    34,047.88/50,986.14 = 21,529.96/x
  3. Step 3: Cross multiply
    34,047.88x = 50,986.14 × 21,529.96
  4. Step 4: Simplify right side
    34,047.88x = 1,097,729,554.75
  5. Step 5: Solve for x
    x = 1,097,729,554.75/34,047.88
  6. Step 6: Final answer
    x = 32,240.76

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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.