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Finding the Fourth Proportional to 41,620, 62,436.22 and 15,322.72

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Solution

The fourth proportional to 41,620, 62,436.22 and 15,322.72 is: 22,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,620 : 62,436.22 = 15,322.72 : x
  2. Step 2: Convert to fraction form
    41,620/62,436.22 = 15,322.72/x
  3. Step 3: Cross multiply
    41,620x = 62,436.22 × 15,322.72
  4. Step 4: Simplify right side
    41,620x = 956,692,716.92
  5. Step 5: Solve for x
    x = 956,692,716.92/41,620
  6. Step 6: Final answer
    x = 22,986.37

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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.