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Finding the Fourth Proportional to 18,345.20, 27,516.20 and 6,033.20

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Solution

The fourth proportional to 18,345.20, 27,516.20 and 6,033.20 is: 9,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.20 : 27,516.20 = 6,033.20 : x
  2. Step 2: Convert to fraction form
    18,345.20/27,516.20 = 6,033.20/x
  3. Step 3: Cross multiply
    18,345.20x = 27,516.20 × 6,033.20
  4. Step 4: Simplify right side
    18,345.20x = 166,010,737.84
  5. Step 5: Solve for x
    x = 166,010,737.84/18,345.20
  6. Step 6: Final answer
    x = 9,049.27

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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.