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Finding the Fourth Proportional to 3,503.56, 5,255.34 and 1,195

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Solution

The fourth proportional to 3,503.56, 5,255.34 and 1,195 is: 1,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.56 : 5,255.34 = 1,195 : x
  2. Step 2: Convert to fraction form
    3,503.56/5,255.34 = 1,195/x
  3. Step 3: Cross multiply
    3,503.56x = 5,255.34 × 1,195
  4. Step 4: Simplify right side
    3,503.56x = 6,280,131.30
  5. Step 5: Solve for x
    x = 6,280,131.30/3,503.56
  6. Step 6: Final answer
    x = 1,792.50

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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.