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Finding the Fourth Proportional to 1,596.38, 2,395.50 and 671.88

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Solution

The fourth proportional to 1,596.38, 2,395.50 and 671.88 is: 1,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.38 : 2,395.50 = 671.88 : x
  2. Step 2: Convert to fraction form
    1,596.38/2,395.50 = 671.88/x
  3. Step 3: Cross multiply
    1,596.38x = 2,395.50 × 671.88
  4. Step 4: Simplify right side
    1,596.38x = 1,609,488.54
  5. Step 5: Solve for x
    x = 1,609,488.54/1,596.38
  6. Step 6: Final answer
    x = 1,008.21

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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.