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Finding the Fourth Proportional to 1,154.54, 1,593.26 and 682.44

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Solution

The fourth proportional to 1,154.54, 1,593.26 and 682.44 is: 941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.54 : 1,593.26 = 682.44 : x
  2. Step 2: Convert to fraction form
    1,154.54/1,593.26 = 682.44/x
  3. Step 3: Cross multiply
    1,154.54x = 1,593.26 × 682.44
  4. Step 4: Simplify right side
    1,154.54x = 1,087,304.35
  5. Step 5: Solve for x
    x = 1,087,304.35/1,154.54
  6. Step 6: Final answer
    x = 941.76

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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.