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Finding the Fourth Proportional to 2,736.27, 4,104.06 and 887.22

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Solution

The fourth proportional to 2,736.27, 4,104.06 and 887.22 is: 1,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.27 : 4,104.06 = 887.22 : x
  2. Step 2: Convert to fraction form
    2,736.27/4,104.06 = 887.22/x
  3. Step 3: Cross multiply
    2,736.27x = 4,104.06 × 887.22
  4. Step 4: Simplify right side
    2,736.27x = 3,641,204.11
  5. Step 5: Solve for x
    x = 3,641,204.11/2,736.27
  6. Step 6: Final answer
    x = 1,330.72

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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.