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Finding the Fourth Proportional to 1,732.82, 2,596.88 and 636.14

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Solution

The fourth proportional to 1,732.82, 2,596.88 and 636.14 is: 953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.82 : 2,596.88 = 636.14 : x
  2. Step 2: Convert to fraction form
    1,732.82/2,596.88 = 636.14/x
  3. Step 3: Cross multiply
    1,732.82x = 2,596.88 × 636.14
  4. Step 4: Simplify right side
    1,732.82x = 1,651,963.08
  5. Step 5: Solve for x
    x = 1,651,963.08/1,732.82
  6. Step 6: Final answer
    x = 953.34

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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.