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Finding the Fourth Proportional to 1,596.96, 2,394.98 and 672.34

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Solution

The fourth proportional to 1,596.96, 2,394.98 and 672.34 is: 1,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.96 : 2,394.98 = 672.34 : x
  2. Step 2: Convert to fraction form
    1,596.96/2,394.98 = 672.34/x
  3. Step 3: Cross multiply
    1,596.96x = 2,394.98 × 672.34
  4. Step 4: Simplify right side
    1,596.96x = 1,610,240.85
  5. Step 5: Solve for x
    x = 1,610,240.85/1,596.96
  6. Step 6: Final answer
    x = 1,008.32

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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.