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Finding the Fourth Proportional to 1,902.92, 2,625.97 and 1,063.62

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Solution

The fourth proportional to 1,902.92, 2,625.97 and 1,063.62 is: 1,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.92 : 2,625.97 = 1,063.62 : x
  2. Step 2: Convert to fraction form
    1,902.92/2,625.97 = 1,063.62/x
  3. Step 3: Cross multiply
    1,902.92x = 2,625.97 × 1,063.62
  4. Step 4: Simplify right side
    1,902.92x = 2,793,031.55
  5. Step 5: Solve for x
    x = 2,793,031.55/1,902.92
  6. Step 6: Final answer
    x = 1,467.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.