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Finding the Fourth Proportional to 25,884.88, 38,820.90 and 11,092.12

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Solution

The fourth proportional to 25,884.88, 38,820.90 and 11,092.12 is: 16,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,884.88 : 38,820.90 = 11,092.12 : x
  2. Step 2: Convert to fraction form
    25,884.88/38,820.90 = 11,092.12/x
  3. Step 3: Cross multiply
    25,884.88x = 38,820.90 × 11,092.12
  4. Step 4: Simplify right side
    25,884.88x = 430,606,025.85
  5. Step 5: Solve for x
    x = 430,606,025.85/25,884.88
  6. Step 6: Final answer
    x = 16,635.43

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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.