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Finding the Fourth Proportional to 2,367.06, 3,550.14 and 905.88

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Solution

The fourth proportional to 2,367.06, 3,550.14 and 905.88 is: 1,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.06 : 3,550.14 = 905.88 : x
  2. Step 2: Convert to fraction form
    2,367.06/3,550.14 = 905.88/x
  3. Step 3: Cross multiply
    2,367.06x = 3,550.14 × 905.88
  4. Step 4: Simplify right side
    2,367.06x = 3,216,000.82
  5. Step 5: Solve for x
    x = 3,216,000.82/2,367.06
  6. Step 6: Final answer
    x = 1,358.65

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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.