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Finding the Fourth Proportional to 3,955.24, 5,932.80 and 1,181.93

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Solution

The fourth proportional to 3,955.24, 5,932.80 and 1,181.93 is: 1,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.24 : 5,932.80 = 1,181.93 : x
  2. Step 2: Convert to fraction form
    3,955.24/5,932.80 = 1,181.93/x
  3. Step 3: Cross multiply
    3,955.24x = 5,932.80 × 1,181.93
  4. Step 4: Simplify right side
    3,955.24x = 7,012,154.30
  5. Step 5: Solve for x
    x = 7,012,154.30/3,955.24
  6. Step 6: Final answer
    x = 1,772.88

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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.