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Finding the Fourth Proportional to 3,762.96, 5,193.56 and 2,192

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Solution

The fourth proportional to 3,762.96, 5,193.56 and 2,192 is: 3,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.96 : 5,193.56 = 2,192 : x
  2. Step 2: Convert to fraction form
    3,762.96/5,193.56 = 2,192/x
  3. Step 3: Cross multiply
    3,762.96x = 5,193.56 × 2,192
  4. Step 4: Simplify right side
    3,762.96x = 11,384,283.52
  5. Step 5: Solve for x
    x = 11,384,283.52/3,762.96
  6. Step 6: Final answer
    x = 3,025.35

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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.