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Finding the Fourth Proportional to 3,182.34, 4,773.51 and 1,449.75

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Solution

The fourth proportional to 3,182.34, 4,773.51 and 1,449.75 is: 2,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.34 : 4,773.51 = 1,449.75 : x
  2. Step 2: Convert to fraction form
    3,182.34/4,773.51 = 1,449.75/x
  3. Step 3: Cross multiply
    3,182.34x = 4,773.51 × 1,449.75
  4. Step 4: Simplify right side
    3,182.34x = 6,920,396.12
  5. Step 5: Solve for x
    x = 6,920,396.12/3,182.34
  6. Step 6: Final answer
    x = 2,174.63

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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.