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Finding the Fourth Proportional to 1,631.82, 2,447.73 and 591.96

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Solution

The fourth proportional to 1,631.82, 2,447.73 and 591.96 is: 887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.82 : 2,447.73 = 591.96 : x
  2. Step 2: Convert to fraction form
    1,631.82/2,447.73 = 591.96/x
  3. Step 3: Cross multiply
    1,631.82x = 2,447.73 × 591.96
  4. Step 4: Simplify right side
    1,631.82x = 1,448,958.25
  5. Step 5: Solve for x
    x = 1,448,958.25/1,631.82
  6. Step 6: Final answer
    x = 887.94

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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.