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Finding the Fourth Proportional to 1,597.85, 2,396.87 and 672.48

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Solution

The fourth proportional to 1,597.85, 2,396.87 and 672.48 is: 1,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.85 : 2,396.87 = 672.48 : x
  2. Step 2: Convert to fraction form
    1,597.85/2,396.87 = 672.48/x
  3. Step 3: Cross multiply
    1,597.85x = 2,396.87 × 672.48
  4. Step 4: Simplify right side
    1,597.85x = 1,611,843.78
  5. Step 5: Solve for x
    x = 1,611,843.78/1,597.85
  6. Step 6: Final answer
    x = 1,008.76

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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.