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Finding the Fourth Proportional to 3,346.56, 4,993.20 and 2,975.04

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Solution

The fourth proportional to 3,346.56, 4,993.20 and 2,975.04 is: 4,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.56 : 4,993.20 = 2,975.04 : x
  2. Step 2: Convert to fraction form
    3,346.56/4,993.20 = 2,975.04/x
  3. Step 3: Cross multiply
    3,346.56x = 4,993.20 × 2,975.04
  4. Step 4: Simplify right side
    3,346.56x = 14,854,969.73
  5. Step 5: Solve for x
    x = 14,854,969.73/3,346.56
  6. Step 6: Final answer
    x = 4,438.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.