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Finding the Fourth Proportional to 3,493.78, 5,233.76 and 1,733.45

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Solution

The fourth proportional to 3,493.78, 5,233.76 and 1,733.45 is: 2,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.78 : 5,233.76 = 1,733.45 : x
  2. Step 2: Convert to fraction form
    3,493.78/5,233.76 = 1,733.45/x
  3. Step 3: Cross multiply
    3,493.78x = 5,233.76 × 1,733.45
  4. Step 4: Simplify right side
    3,493.78x = 9,072,472.13
  5. Step 5: Solve for x
    x = 9,072,472.13/3,493.78
  6. Step 6: Final answer
    x = 2,596.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.