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Finding the Fourth Proportional to 1,636.23, 2,454.48 and 662.34

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Solution

The fourth proportional to 1,636.23, 2,454.48 and 662.34 is: 993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.23 : 2,454.48 = 662.34 : x
  2. Step 2: Convert to fraction form
    1,636.23/2,454.48 = 662.34/x
  3. Step 3: Cross multiply
    1,636.23x = 2,454.48 × 662.34
  4. Step 4: Simplify right side
    1,636.23x = 1,625,700.28
  5. Step 5: Solve for x
    x = 1,625,700.28/1,636.23
  6. Step 6: Final answer
    x = 993.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.