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Finding the Fourth Proportional to 1,093.03, 1,507.36 and 843.96

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Solution

The fourth proportional to 1,093.03, 1,507.36 and 843.96 is: 1,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.03 : 1,507.36 = 843.96 : x
  2. Step 2: Convert to fraction form
    1,093.03/1,507.36 = 843.96/x
  3. Step 3: Cross multiply
    1,093.03x = 1,507.36 × 843.96
  4. Step 4: Simplify right side
    1,093.03x = 1,272,151.55
  5. Step 5: Solve for x
    x = 1,272,151.55/1,093.03
  6. Step 6: Final answer
    x = 1,163.88

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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.