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Finding the Fourth Proportional to 18,099.54, 27,156.42 and 5,620.54

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Solution

The fourth proportional to 18,099.54, 27,156.42 and 5,620.54 is: 8,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.54 : 27,156.42 = 5,620.54 : x
  2. Step 2: Convert to fraction form
    18,099.54/27,156.42 = 5,620.54/x
  3. Step 3: Cross multiply
    18,099.54x = 27,156.42 × 5,620.54
  4. Step 4: Simplify right side
    18,099.54x = 152,633,744.87
  5. Step 5: Solve for x
    x = 152,633,744.87/18,099.54
  6. Step 6: Final answer
    x = 8,433.02

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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.