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Finding the Fourth Proportional to 18,596.44, 27,892.62 and 5,448.94

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Solution

The fourth proportional to 18,596.44, 27,892.62 and 5,448.94 is: 8,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.44 : 27,892.62 = 5,448.94 : x
  2. Step 2: Convert to fraction form
    18,596.44/27,892.62 = 5,448.94/x
  3. Step 3: Cross multiply
    18,596.44x = 27,892.62 × 5,448.94
  4. Step 4: Simplify right side
    18,596.44x = 151,985,212.82
  5. Step 5: Solve for x
    x = 151,985,212.82/18,596.44
  6. Step 6: Final answer
    x = 8,172.81

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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.