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Finding the Fourth Proportional to 1,092.53, 1,507.73 and 650.48

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Solution

The fourth proportional to 1,092.53, 1,507.73 and 650.48 is: 897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.53 : 1,507.73 = 650.48 : x
  2. Step 2: Convert to fraction form
    1,092.53/1,507.73 = 650.48/x
  3. Step 3: Cross multiply
    1,092.53x = 1,507.73 × 650.48
  4. Step 4: Simplify right side
    1,092.53x = 980,737.42
  5. Step 5: Solve for x
    x = 980,737.42/1,092.53
  6. Step 6: Final answer
    x = 897.68

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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.