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Finding the Fourth Proportional to 24,940.44, 34,389.90 and 20,388.92

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Solution

The fourth proportional to 24,940.44, 34,389.90 and 20,388.92 is: 28,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,940.44 : 34,389.90 = 20,388.92 : x
  2. Step 2: Convert to fraction form
    24,940.44/34,389.90 = 20,388.92/x
  3. Step 3: Cross multiply
    24,940.44x = 34,389.90 × 20,388.92
  4. Step 4: Simplify right side
    24,940.44x = 701,172,747.96
  5. Step 5: Solve for x
    x = 701,172,747.96/24,940.44
  6. Step 6: Final answer
    x = 28,113.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.