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Finding the Fourth Proportional to 25,891.88, 38,829.60 and 11,096.84

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Solution

The fourth proportional to 25,891.88, 38,829.60 and 11,096.84 is: 16,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.88 : 38,829.60 = 11,096.84 : x
  2. Step 2: Convert to fraction form
    25,891.88/38,829.60 = 11,096.84/x
  3. Step 3: Cross multiply
    25,891.88x = 38,829.60 × 11,096.84
  4. Step 4: Simplify right side
    25,891.88x = 430,885,858.46
  5. Step 5: Solve for x
    x = 430,885,858.46/25,891.88
  6. Step 6: Final answer
    x = 16,641.74

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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.