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Finding the Fourth Proportional to 32,751.69, 45,197.09 and 18,604.54

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Solution

The fourth proportional to 32,751.69, 45,197.09 and 18,604.54 is: 25,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.69 : 45,197.09 = 18,604.54 : x
  2. Step 2: Convert to fraction form
    32,751.69/45,197.09 = 18,604.54/x
  3. Step 3: Cross multiply
    32,751.69x = 45,197.09 × 18,604.54
  4. Step 4: Simplify right side
    32,751.69x = 840,870,847.80
  5. Step 5: Solve for x
    x = 840,870,847.80/32,751.69
  6. Step 6: Final answer
    x = 25,674.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.