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Finding the Fourth Proportional to 3,556.92, 5,335.39 and 1,364.46

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Solution

The fourth proportional to 3,556.92, 5,335.39 and 1,364.46 is: 2,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.92 : 5,335.39 = 1,364.46 : x
  2. Step 2: Convert to fraction form
    3,556.92/5,335.39 = 1,364.46/x
  3. Step 3: Cross multiply
    3,556.92x = 5,335.39 × 1,364.46
  4. Step 4: Simplify right side
    3,556.92x = 7,279,892.74
  5. Step 5: Solve for x
    x = 7,279,892.74/3,556.92
  6. Step 6: Final answer
    x = 2,046.68

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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.