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Finding the Fourth Proportional to 3,581.16, 5,374.02 and 3,310.62

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Solution

The fourth proportional to 3,581.16, 5,374.02 and 3,310.62 is: 4,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.16 : 5,374.02 = 3,310.62 : x
  2. Step 2: Convert to fraction form
    3,581.16/5,374.02 = 3,310.62/x
  3. Step 3: Cross multiply
    3,581.16x = 5,374.02 × 3,310.62
  4. Step 4: Simplify right side
    3,581.16x = 17,791,338.09
  5. Step 5: Solve for x
    x = 17,791,338.09/3,581.16
  6. Step 6: Final answer
    x = 4,968.04

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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.