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Finding the Fourth Proportional to 2,398.14, 3,596.96 and 754.64

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Solution

The fourth proportional to 2,398.14, 3,596.96 and 754.64 is: 1,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.14 : 3,596.96 = 754.64 : x
  2. Step 2: Convert to fraction form
    2,398.14/3,596.96 = 754.64/x
  3. Step 3: Cross multiply
    2,398.14x = 3,596.96 × 754.64
  4. Step 4: Simplify right side
    2,398.14x = 2,714,409.89
  5. Step 5: Solve for x
    x = 2,714,409.89/2,398.14
  6. Step 6: Final answer
    x = 1,131.88

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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.