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Finding the Fourth Proportional to 62,882.05, 94,303.03 and 20,754.31

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Solution

The fourth proportional to 62,882.05, 94,303.03 and 20,754.31 is: 31,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,882.05 : 94,303.03 = 20,754.31 : x
  2. Step 2: Convert to fraction form
    62,882.05/94,303.03 = 20,754.31/x
  3. Step 3: Cross multiply
    62,882.05x = 94,303.03 × 20,754.31
  4. Step 4: Simplify right side
    62,882.05x = 1,957,194,318.56
  5. Step 5: Solve for x
    x = 1,957,194,318.56/62,882.05
  6. Step 6: Final answer
    x = 31,124.85

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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.