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Finding the Fourth Proportional to 1,732.44, 2,598.18 and 758.32

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Solution

The fourth proportional to 1,732.44, 2,598.18 and 758.32 is: 1,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.44 : 2,598.18 = 758.32 : x
  2. Step 2: Convert to fraction form
    1,732.44/2,598.18 = 758.32/x
  3. Step 3: Cross multiply
    1,732.44x = 2,598.18 × 758.32
  4. Step 4: Simplify right side
    1,732.44x = 1,970,251.86
  5. Step 5: Solve for x
    x = 1,970,251.86/1,732.44
  6. Step 6: Final answer
    x = 1,137.27

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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.