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Finding the Fourth Proportional to 61,811.87, 92,722.41 and 26,269.21

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Solution

The fourth proportional to 61,811.87, 92,722.41 and 26,269.21 is: 39,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.87 : 92,722.41 = 26,269.21 : x
  2. Step 2: Convert to fraction form
    61,811.87/92,722.41 = 26,269.21/x
  3. Step 3: Cross multiply
    61,811.87x = 92,722.41 × 26,269.21
  4. Step 4: Simplify right side
    61,811.87x = 2,435,743,996.38
  5. Step 5: Solve for x
    x = 2,435,743,996.38/61,811.87
  6. Step 6: Final answer
    x = 39,405.76

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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.