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Finding the Fourth Proportional to 25,375.80, 37,890.99 and 22,389.33

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Solution

The fourth proportional to 25,375.80, 37,890.99 and 22,389.33 is: 33,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.80 : 37,890.99 = 22,389.33 : x
  2. Step 2: Convert to fraction form
    25,375.80/37,890.99 = 22,389.33/x
  3. Step 3: Cross multiply
    25,375.80x = 37,890.99 × 22,389.33
  4. Step 4: Simplify right side
    25,375.80x = 848,353,879.14
  5. Step 5: Solve for x
    x = 848,353,879.14/25,375.80
  6. Step 6: Final answer
    x = 33,431.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.