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Finding the Fourth Proportional to 1,092.37, 1,507.31 and 650.26

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Solution

The fourth proportional to 1,092.37, 1,507.31 and 650.26 is: 897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.37 : 1,507.31 = 650.26 : x
  2. Step 2: Convert to fraction form
    1,092.37/1,507.31 = 650.26/x
  3. Step 3: Cross multiply
    1,092.37x = 1,507.31 × 650.26
  4. Step 4: Simplify right side
    1,092.37x = 980,136.38
  5. Step 5: Solve for x
    x = 980,136.38/1,092.37
  6. Step 6: Final answer
    x = 897.26

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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.