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Finding the Fourth Proportional to 1,086.75, 1,500.93 and 736.83

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Solution

The fourth proportional to 1,086.75, 1,500.93 and 736.83 is: 1,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.75 : 1,500.93 = 736.83 : x
  2. Step 2: Convert to fraction form
    1,086.75/1,500.93 = 736.83/x
  3. Step 3: Cross multiply
    1,086.75x = 1,500.93 × 736.83
  4. Step 4: Simplify right side
    1,086.75x = 1,105,930.25
  5. Step 5: Solve for x
    x = 1,105,930.25/1,086.75
  6. Step 6: Final answer
    x = 1,017.65

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