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Finding the Fourth Proportional to 1,092.45, 1,508.02 and 650.27

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Solution

The fourth proportional to 1,092.45, 1,508.02 and 650.27 is: 897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.45 : 1,508.02 = 650.27 : x
  2. Step 2: Convert to fraction form
    1,092.45/1,508.02 = 650.27/x
  3. Step 3: Cross multiply
    1,092.45x = 1,508.02 × 650.27
  4. Step 4: Simplify right side
    1,092.45x = 980,620.17
  5. Step 5: Solve for x
    x = 980,620.17/1,092.45
  6. Step 6: Final answer
    x = 897.63

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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.