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Finding the Fourth Proportional to 1,723.76, 2,585.88 and 1,449.24

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Solution

The fourth proportional to 1,723.76, 2,585.88 and 1,449.24 is: 2,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.76 : 2,585.88 = 1,449.24 : x
  2. Step 2: Convert to fraction form
    1,723.76/2,585.88 = 1,449.24/x
  3. Step 3: Cross multiply
    1,723.76x = 2,585.88 × 1,449.24
  4. Step 4: Simplify right side
    1,723.76x = 3,747,560.73
  5. Step 5: Solve for x
    x = 3,747,560.73/1,723.76
  6. Step 6: Final answer
    x = 2,174.06

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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.