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Finding the Fourth Proportional to 18,992.22, 28,492.11 and 5,844.09

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Solution

The fourth proportional to 18,992.22, 28,492.11 and 5,844.09 is: 8,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992.22 : 28,492.11 = 5,844.09 : x
  2. Step 2: Convert to fraction form
    18,992.22/28,492.11 = 5,844.09/x
  3. Step 3: Cross multiply
    18,992.22x = 28,492.11 × 5,844.09
  4. Step 4: Simplify right side
    18,992.22x = 166,510,455.13
  5. Step 5: Solve for x
    x = 166,510,455.13/18,992.22
  6. Step 6: Final answer
    x = 8,767.30

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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.