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Finding the Fourth Proportional to 10,992.20, 16,486.20 and 3,594.44

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Solution

The fourth proportional to 10,992.20, 16,486.20 and 3,594.44 is: 5,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.20 : 16,486.20 = 3,594.44 : x
  2. Step 2: Convert to fraction form
    10,992.20/16,486.20 = 3,594.44/x
  3. Step 3: Cross multiply
    10,992.20x = 16,486.20 × 3,594.44
  4. Step 4: Simplify right side
    10,992.20x = 59,258,656.73
  5. Step 5: Solve for x
    x = 59,258,656.73/10,992.20
  6. Step 6: Final answer
    x = 5,390.97

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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.