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Finding the Fourth Proportional to 1,591.59, 2,196.42 and 892.97

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Solution

The fourth proportional to 1,591.59, 2,196.42 and 892.97 is: 1,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.59 : 2,196.42 = 892.97 : x
  2. Step 2: Convert to fraction form
    1,591.59/2,196.42 = 892.97/x
  3. Step 3: Cross multiply
    1,591.59x = 2,196.42 × 892.97
  4. Step 4: Simplify right side
    1,591.59x = 1,961,331.07
  5. Step 5: Solve for x
    x = 1,961,331.07/1,591.59
  6. Step 6: Final answer
    x = 1,232.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.