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Finding the Fourth Proportional to 3,756.92, 5,633.51 and 2,197.32

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Solution

The fourth proportional to 3,756.92, 5,633.51 and 2,197.32 is: 3,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.92 : 5,633.51 = 2,197.32 : x
  2. Step 2: Convert to fraction form
    3,756.92/5,633.51 = 2,197.32/x
  3. Step 3: Cross multiply
    3,756.92x = 5,633.51 × 2,197.32
  4. Step 4: Simplify right side
    3,756.92x = 12,378,613.21
  5. Step 5: Solve for x
    x = 12,378,613.21/3,756.92
  6. Step 6: Final answer
    x = 3,294.89

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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.