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Finding the Fourth Proportional to 1,086.25, 1,500.26 and 736.33

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Solution

The fourth proportional to 1,086.25, 1,500.26 and 736.33 is: 1,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.25 : 1,500.26 = 736.33 : x
  2. Step 2: Convert to fraction form
    1,086.25/1,500.26 = 736.33/x
  3. Step 3: Cross multiply
    1,086.25x = 1,500.26 × 736.33
  4. Step 4: Simplify right side
    1,086.25x = 1,104,688.29
  5. Step 5: Solve for x
    x = 1,104,688.29/1,086.25
  6. Step 6: Final answer
    x = 1,016.97

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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.