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Finding the Fourth Proportional to 3,375.58, 5,063.68 and 910.35

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Solution

The fourth proportional to 3,375.58, 5,063.68 and 910.35 is: 1,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.58 : 5,063.68 = 910.35 : x
  2. Step 2: Convert to fraction form
    3,375.58/5,063.68 = 910.35/x
  3. Step 3: Cross multiply
    3,375.58x = 5,063.68 × 910.35
  4. Step 4: Simplify right side
    3,375.58x = 4,609,721.09
  5. Step 5: Solve for x
    x = 4,609,721.09/3,375.58
  6. Step 6: Final answer
    x = 1,365.61

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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.