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Finding the Fourth Proportional to 18,504.44, 27,756.66 and 6,192.44

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Solution

The fourth proportional to 18,504.44, 27,756.66 and 6,192.44 is: 9,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.44 : 27,756.66 = 6,192.44 : x
  2. Step 2: Convert to fraction form
    18,504.44/27,756.66 = 6,192.44/x
  3. Step 3: Cross multiply
    18,504.44x = 27,756.66 × 6,192.44
  4. Step 4: Simplify right side
    18,504.44x = 171,881,451.65
  5. Step 5: Solve for x
    x = 171,881,451.65/18,504.44
  6. Step 6: Final answer
    x = 9,288.66

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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.