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Finding the Fourth Proportional to 3,358.87, 5,039.21 and 1,167.77

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Solution

The fourth proportional to 3,358.87, 5,039.21 and 1,167.77 is: 1,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.87 : 5,039.21 = 1,167.77 : x
  2. Step 2: Convert to fraction form
    3,358.87/5,039.21 = 1,167.77/x
  3. Step 3: Cross multiply
    3,358.87x = 5,039.21 × 1,167.77
  4. Step 4: Simplify right side
    3,358.87x = 5,884,625.43
  5. Step 5: Solve for x
    x = 5,884,625.43/3,358.87
  6. Step 6: Final answer
    x = 1,751.97

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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.