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Finding the Fourth Proportional to 2,367.63, 3,550.91 and 807.57

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Solution

The fourth proportional to 2,367.63, 3,550.91 and 807.57 is: 1,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.63 : 3,550.91 = 807.57 : x
  2. Step 2: Convert to fraction form
    2,367.63/3,550.91 = 807.57/x
  3. Step 3: Cross multiply
    2,367.63x = 3,550.91 × 807.57
  4. Step 4: Simplify right side
    2,367.63x = 2,867,604.35
  5. Step 5: Solve for x
    x = 2,867,604.35/2,367.63
  6. Step 6: Final answer
    x = 1,211.17

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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.