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Finding the Fourth Proportional to 3,225.89, 4,453.08 and 2,731.08

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Solution

The fourth proportional to 3,225.89, 4,453.08 and 2,731.08 is: 3,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.89 : 4,453.08 = 2,731.08 : x
  2. Step 2: Convert to fraction form
    3,225.89/4,453.08 = 2,731.08/x
  3. Step 3: Cross multiply
    3,225.89x = 4,453.08 × 2,731.08
  4. Step 4: Simplify right side
    3,225.89x = 12,161,724.18
  5. Step 5: Solve for x
    x = 12,161,724.18/3,225.89
  6. Step 6: Final answer
    x = 3,770.03

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1.5x scale

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.