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Finding the Fourth Proportional to 3,662.92, 5,493.68 and 1,786.93

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Solution

The fourth proportional to 3,662.92, 5,493.68 and 1,786.93 is: 2,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.92 : 5,493.68 = 1,786.93 : x
  2. Step 2: Convert to fraction form
    3,662.92/5,493.68 = 1,786.93/x
  3. Step 3: Cross multiply
    3,662.92x = 5,493.68 × 1,786.93
  4. Step 4: Simplify right side
    3,662.92x = 9,816,805.63
  5. Step 5: Solve for x
    x = 9,816,805.63/3,662.92
  6. Step 6: Final answer
    x = 2,680.05

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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.