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Finding the Fourth Proportional to 25,321.87, 37,982.81 and 6,601.85

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Solution

The fourth proportional to 25,321.87, 37,982.81 and 6,601.85 is: 9,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.87 : 37,982.81 = 6,601.85 : x
  2. Step 2: Convert to fraction form
    25,321.87/37,982.81 = 6,601.85/x
  3. Step 3: Cross multiply
    25,321.87x = 37,982.81 × 6,601.85
  4. Step 4: Simplify right side
    25,321.87x = 250,756,959.74
  5. Step 5: Solve for x
    x = 250,756,959.74/25,321.87
  6. Step 6: Final answer
    x = 9,902.78

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1.5x scale

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.