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Finding the Fourth Proportional to 25,794.99, 38,676.56 and 16,899.44

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Solution

The fourth proportional to 25,794.99, 38,676.56 and 16,899.44 is: 25,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.99 : 38,676.56 = 16,899.44 : x
  2. Step 2: Convert to fraction form
    25,794.99/38,676.56 = 16,899.44/x
  3. Step 3: Cross multiply
    25,794.99x = 38,676.56 × 16,899.44
  4. Step 4: Simplify right side
    25,794.99x = 653,611,927.25
  5. Step 5: Solve for x
    x = 653,611,927.25/25,794.99
  6. Step 6: Final answer
    x = 25,338.72

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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.